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Finding the Fourth Proportional to 484,073.91, 668,038.46 and 266,292.18

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Solution

The fourth proportional to 484,073.91, 668,038.46 and 266,292.18 is: 367,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,073.91 : 668,038.46 = 266,292.18 : x
  2. Step 2: Convert to fraction form
    484,073.91/668,038.46 = 266,292.18/x
  3. Step 3: Cross multiply
    484,073.91x = 668,038.46 × 266,292.18
  4. Step 4: Simplify right side
    484,073.91x = 177,893,416,505.78
  5. Step 5: Solve for x
    x = 177,893,416,505.78/484,073.91
  6. Step 6: Final answer
    x = 367,492.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.