Home / 430,686.95-646,089.53-146,301.17

Finding the Fourth Proportional to 430,686.95, 646,089.53 and 146,301.17

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Solution

The fourth proportional to 430,686.95, 646,089.53 and 146,301.17 is: 219,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,686.95 : 646,089.53 = 146,301.17 : x
  2. Step 2: Convert to fraction form
    430,686.95/646,089.53 = 146,301.17/x
  3. Step 3: Cross multiply
    430,686.95x = 646,089.53 × 146,301.17
  4. Step 4: Simplify right side
    430,686.95x = 94,523,650,201.80
  5. Step 5: Solve for x
    x = 94,523,650,201.80/430,686.95
  6. Step 6: Final answer
    x = 219,471.82

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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.