Home / 429,320.20-592,477.14-238,336.60

Finding the Fourth Proportional to 429,320.20, 592,477.14 and 238,336.60

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Solution

The fourth proportional to 429,320.20, 592,477.14 and 238,336.60 is: 328,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,320.20 : 592,477.14 = 238,336.60 : x
  2. Step 2: Convert to fraction form
    429,320.20/592,477.14 = 238,336.60/x
  3. Step 3: Cross multiply
    429,320.20x = 592,477.14 × 238,336.60
  4. Step 4: Simplify right side
    429,320.20x = 141,208,987,125.32
  5. Step 5: Solve for x
    x = 141,208,987,125.32/429,320.20
  6. Step 6: Final answer
    x = 328,912.98

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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.