Home / 429,133.45-592,143.70-257,011.08

Finding the Fourth Proportional to 429,133.45, 592,143.70 and 257,011.08

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Solution

The fourth proportional to 429,133.45, 592,143.70 and 257,011.08 is: 354,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,133.45 : 592,143.70 = 257,011.08 : x
  2. Step 2: Convert to fraction form
    429,133.45/592,143.70 = 257,011.08/x
  3. Step 3: Cross multiply
    429,133.45x = 592,143.70 × 257,011.08
  4. Step 4: Simplify right side
    429,133.45x = 152,187,491,852.20
  5. Step 5: Solve for x
    x = 152,187,491,852.20/429,133.45
  6. Step 6: Final answer
    x = 354,639.08

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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.