Home / 429,130.95-592,140.25-257,008.58

Finding the Fourth Proportional to 429,130.95, 592,140.25 and 257,008.58

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Solution

The fourth proportional to 429,130.95, 592,140.25 and 257,008.58 is: 354,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,130.95 : 592,140.25 = 257,008.58 : x
  2. Step 2: Convert to fraction form
    429,130.95/592,140.25 = 257,008.58/x
  3. Step 3: Cross multiply
    429,130.95x = 592,140.25 × 257,008.58
  4. Step 4: Simplify right side
    429,130.95x = 152,185,124,813.35
  5. Step 5: Solve for x
    x = 152,185,124,813.35/429,130.95
  6. Step 6: Final answer
    x = 354,635.63

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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.