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Finding the Fourth Proportional to 376,903.61, 520,248.20 and 241,302.78

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Solution

The fourth proportional to 376,903.61, 520,248.20 and 241,302.78 is: 333,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,903.61 : 520,248.20 = 241,302.78 : x
  2. Step 2: Convert to fraction form
    376,903.61/520,248.20 = 241,302.78/x
  3. Step 3: Cross multiply
    376,903.61x = 520,248.20 × 241,302.78
  4. Step 4: Simplify right side
    376,903.61x = 125,537,333,142.24
  5. Step 5: Solve for x
    x = 125,537,333,142.24/376,903.61
  6. Step 6: Final answer
    x = 333,075.44

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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.