Home / 434,455.04-651,784.56-134,920.16

Finding the Fourth Proportional to 434,455.04, 651,784.56 and 134,920.16

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Solution

The fourth proportional to 434,455.04, 651,784.56 and 134,920.16 is: 202,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,455.04 : 651,784.56 = 134,920.16 : x
  2. Step 2: Convert to fraction form
    434,455.04/651,784.56 = 134,920.16/x
  3. Step 3: Cross multiply
    434,455.04x = 651,784.56 × 134,920.16
  4. Step 4: Simplify right side
    434,455.04x = 87,938,877,120.73
  5. Step 5: Solve for x
    x = 87,938,877,120.73/434,455.04
  6. Step 6: Final answer
    x = 202,411.92

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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.