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Finding the Fourth Proportional to 376,484.10, 519,397.81 and 240,482.77

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Solution

The fourth proportional to 376,484.10, 519,397.81 and 240,482.77 is: 331,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,484.10 : 519,397.81 = 240,482.77 : x
  2. Step 2: Convert to fraction form
    376,484.10/519,397.81 = 240,482.77/x
  3. Step 3: Cross multiply
    376,484.10x = 519,397.81 × 240,482.77
  4. Step 4: Simplify right side
    376,484.10x = 124,906,224,080.73
  5. Step 5: Solve for x
    x = 124,906,224,080.73/376,484.10
  6. Step 6: Final answer
    x = 331,770.25

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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.