Home / 390,832.24-586,290.84-124,530.16

Finding the Fourth Proportional to 390,832.24, 586,290.84 and 124,530.16

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Solution

The fourth proportional to 390,832.24, 586,290.84 and 124,530.16 is: 186,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,832.24 : 586,290.84 = 124,530.16 : x
  2. Step 2: Convert to fraction form
    390,832.24/586,290.84 = 124,530.16/x
  3. Step 3: Cross multiply
    390,832.24x = 586,290.84 × 124,530.16
  4. Step 4: Simplify right side
    390,832.24x = 73,010,892,111.73
  5. Step 5: Solve for x
    x = 73,010,892,111.73/390,832.24
  6. Step 6: Final answer
    x = 186,808.78

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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.