Home / 352,746.55-528,966.73-128,032.30

Finding the Fourth Proportional to 352,746.55, 528,966.73 and 128,032.30

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Solution

The fourth proportional to 352,746.55, 528,966.73 and 128,032.30 is: 191,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,746.55 : 528,966.73 = 128,032.30 : x
  2. Step 2: Convert to fraction form
    352,746.55/528,966.73 = 128,032.30/x
  3. Step 3: Cross multiply
    352,746.55x = 528,966.73 × 128,032.30
  4. Step 4: Simplify right side
    352,746.55x = 67,724,827,065.38
  5. Step 5: Solve for x
    x = 67,724,827,065.38/352,746.55
  6. Step 6: Final answer
    x = 191,992.88

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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.