Home / 282,601.80-423,901.02-72,239.40

Finding the Fourth Proportional to 282,601.80, 423,901.02 and 72,239.40

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Solution

The fourth proportional to 282,601.80, 423,901.02 and 72,239.40 is: 108,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,601.80 : 423,901.02 = 72,239.40 : x
  2. Step 2: Convert to fraction form
    282,601.80/423,901.02 = 72,239.40/x
  3. Step 3: Cross multiply
    282,601.80x = 423,901.02 × 72,239.40
  4. Step 4: Simplify right side
    282,601.80x = 30,622,355,344.19
  5. Step 5: Solve for x
    x = 30,622,355,344.19/282,601.80
  6. Step 6: Final answer
    x = 108,358.67

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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.