Home / 516,460.18-774,734.91-142,483.18

Finding the Fourth Proportional to 516,460.18, 774,734.91 and 142,483.18

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Solution

The fourth proportional to 516,460.18, 774,734.91 and 142,483.18 is: 213,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,460.18 : 774,734.91 = 142,483.18 : x
  2. Step 2: Convert to fraction form
    516,460.18/774,734.91 = 142,483.18/x
  3. Step 3: Cross multiply
    516,460.18x = 774,734.91 × 142,483.18
  4. Step 4: Simplify right side
    516,460.18x = 110,386,689,760.14
  5. Step 5: Solve for x
    x = 110,386,689,760.14/516,460.18
  6. Step 6: Final answer
    x = 213,737.08

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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.