Home / 571,127.85-856,693.67-144,663.53

Finding the Fourth Proportional to 571,127.85, 856,693.67 and 144,663.53

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Solution

The fourth proportional to 571,127.85, 856,693.67 and 144,663.53 is: 216,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,127.85 : 856,693.67 = 144,663.53 : x
  2. Step 2: Convert to fraction form
    571,127.85/856,693.67 = 144,663.53/x
  3. Step 3: Cross multiply
    571,127.85x = 856,693.67 × 144,663.53
  4. Step 4: Simplify right side
    571,127.85x = 123,932,325,424.07
  5. Step 5: Solve for x
    x = 123,932,325,424.07/571,127.85
  6. Step 6: Final answer
    x = 216,995.77

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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.