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Finding the Fourth Proportional to 282,262.60, 423,048.30 and 124,323.40

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Solution

The fourth proportional to 282,262.60, 423,048.30 and 124,323.40 is: 186,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,262.60 : 423,048.30 = 124,323.40 : x
  2. Step 2: Convert to fraction form
    282,262.60/423,048.30 = 124,323.40/x
  3. Step 3: Cross multiply
    282,262.60x = 423,048.30 × 124,323.40
  4. Step 4: Simplify right side
    282,262.60x = 52,594,803,020.22
  5. Step 5: Solve for x
    x = 52,594,803,020.22/282,262.60
  6. Step 6: Final answer
    x = 186,332.88

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1.5x scale

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.