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Finding the Fourth Proportional to 370,353.94, 555,490.52 and 251,176.44

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Solution

The fourth proportional to 370,353.94, 555,490.52 and 251,176.44 is: 376,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,353.94 : 555,490.52 = 251,176.44 : x
  2. Step 2: Convert to fraction form
    370,353.94/555,490.52 = 251,176.44/x
  3. Step 3: Cross multiply
    370,353.94x = 555,490.52 × 251,176.44
  4. Step 4: Simplify right side
    370,353.94x = 139,526,133,036.47
  5. Step 5: Solve for x
    x = 139,526,133,036.47/370,353.94
  6. Step 6: Final answer
    x = 376,737.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.