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Finding the Fourth Proportional to 374,385.84, 516,893.82 and 334,029.63

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Solution

The fourth proportional to 374,385.84, 516,893.82 and 334,029.63 is: 461,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,385.84 : 516,893.82 = 334,029.63 : x
  2. Step 2: Convert to fraction form
    374,385.84/516,893.82 = 334,029.63/x
  3. Step 3: Cross multiply
    374,385.84x = 516,893.82 × 334,029.63
  4. Step 4: Simplify right side
    374,385.84x = 172,657,851,443.89
  5. Step 5: Solve for x
    x = 172,657,851,443.89/374,385.84
  6. Step 6: Final answer
    x = 461,176.23

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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.