Home / 490,741.85-736,111.65-153,808.17

Finding the Fourth Proportional to 490,741.85, 736,111.65 and 153,808.17

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Solution

The fourth proportional to 490,741.85, 736,111.65 and 153,808.17 is: 230,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,741.85 : 736,111.65 = 153,808.17 : x
  2. Step 2: Convert to fraction form
    490,741.85/736,111.65 = 153,808.17/x
  3. Step 3: Cross multiply
    490,741.85x = 736,111.65 × 153,808.17
  4. Step 4: Simplify right side
    490,741.85x = 113,219,989,139.38
  5. Step 5: Solve for x
    x = 113,219,989,139.38/490,741.85
  6. Step 6: Final answer
    x = 230,711.91

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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.