Home / 429,148.08-592,213.88-238,158.64

Finding the Fourth Proportional to 429,148.08, 592,213.88 and 238,158.64

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Solution

The fourth proportional to 429,148.08, 592,213.88 and 238,158.64 is: 328,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,148.08 : 592,213.88 = 238,158.64 : x
  2. Step 2: Convert to fraction form
    429,148.08/592,213.88 = 238,158.64/x
  3. Step 3: Cross multiply
    429,148.08x = 592,213.88 × 238,158.64
  4. Step 4: Simplify right side
    429,148.08x = 141,040,852,249.92
  5. Step 5: Solve for x
    x = 141,040,852,249.92/429,148.08
  6. Step 6: Final answer
    x = 328,653.11

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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.