Home / 291,827.61-437,825.98-121,017.55

Finding the Fourth Proportional to 291,827.61, 437,825.98 and 121,017.55

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Solution

The fourth proportional to 291,827.61, 437,825.98 and 121,017.55 is: 181,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,827.61 : 437,825.98 = 121,017.55 : x
  2. Step 2: Convert to fraction form
    291,827.61/437,825.98 = 121,017.55/x
  3. Step 3: Cross multiply
    291,827.61x = 437,825.98 × 121,017.55
  4. Step 4: Simplify right side
    291,827.61x = 52,984,627,425.95
  5. Step 5: Solve for x
    x = 52,984,627,425.95/291,827.61
  6. Step 6: Final answer
    x = 181,561.40

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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.