Home / 282,440.34-423,663.93-82,764.77

Finding the Fourth Proportional to 282,440.34, 423,663.93 and 82,764.77

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Solution

The fourth proportional to 282,440.34, 423,663.93 and 82,764.77 is: 124,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,440.34 : 423,663.93 = 82,764.77 : x
  2. Step 2: Convert to fraction form
    282,440.34/423,663.93 = 82,764.77/x
  3. Step 3: Cross multiply
    282,440.34x = 423,663.93 × 82,764.77
  4. Step 4: Simplify right side
    282,440.34x = 35,064,447,309.92
  5. Step 5: Solve for x
    x = 35,064,447,309.92/282,440.34
  6. Step 6: Final answer
    x = 124,148.16

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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.