Home / 434,399.18-651,589.29-118,856.07

Finding the Fourth Proportional to 434,399.18, 651,589.29 and 118,856.07

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Solution

The fourth proportional to 434,399.18, 651,589.29 and 118,856.07 is: 178,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,399.18 : 651,589.29 = 118,856.07 : x
  2. Step 2: Convert to fraction form
    434,399.18/651,589.29 = 118,856.07/x
  3. Step 3: Cross multiply
    434,399.18x = 651,589.29 × 118,856.07
  4. Step 4: Simplify right side
    434,399.18x = 77,445,342,263.49
  5. Step 5: Solve for x
    x = 77,445,342,263.49/434,399.18
  6. Step 6: Final answer
    x = 178,281.51

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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.