Home / 429,278.21-592,374.29-238,276.57

Finding the Fourth Proportional to 429,278.21, 592,374.29 and 238,276.57

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Solution

The fourth proportional to 429,278.21, 592,374.29 and 238,276.57 is: 328,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,278.21 : 592,374.29 = 238,276.57 : x
  2. Step 2: Convert to fraction form
    429,278.21/592,374.29 = 238,276.57/x
  3. Step 3: Cross multiply
    429,278.21x = 592,374.29 × 238,276.57
  4. Step 4: Simplify right side
    429,278.21x = 141,148,911,015.51
  5. Step 5: Solve for x
    x = 141,148,911,015.51/429,278.21
  6. Step 6: Final answer
    x = 328,805.21

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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.