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Finding the Fourth Proportional to 369,242.52, 555,019.86 and 243,689.60

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Solution

The fourth proportional to 369,242.52, 555,019.86 and 243,689.60 is: 366,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,242.52 : 555,019.86 = 243,689.60 : x
  2. Step 2: Convert to fraction form
    369,242.52/555,019.86 = 243,689.60/x
  3. Step 3: Cross multiply
    369,242.52x = 555,019.86 × 243,689.60
  4. Step 4: Simplify right side
    369,242.52x = 135,252,567,675.46
  5. Step 5: Solve for x
    x = 135,252,567,675.46/369,242.52
  6. Step 6: Final answer
    x = 366,297.38

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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.