Home / 435,420.07-653,378.84-169,145.93

Finding the Fourth Proportional to 435,420.07, 653,378.84 and 169,145.93

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Solution

The fourth proportional to 435,420.07, 653,378.84 and 169,145.93 is: 253,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,420.07 : 653,378.84 = 169,145.93 : x
  2. Step 2: Convert to fraction form
    435,420.07/653,378.84 = 169,145.93/x
  3. Step 3: Cross multiply
    435,420.07x = 653,378.84 × 169,145.93
  4. Step 4: Simplify right side
    435,420.07x = 110,516,371,534.12
  5. Step 5: Solve for x
    x = 110,516,371,534.12/435,420.07
  6. Step 6: Final answer
    x = 253,815.52

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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.