Home / 358,307.28-537,553.08-257,222.52

Finding the Fourth Proportional to 358,307.28, 537,553.08 and 257,222.52

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Solution

The fourth proportional to 358,307.28, 537,553.08 and 257,222.52 is: 385,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,307.28 : 537,553.08 = 257,222.52 : x
  2. Step 2: Convert to fraction form
    358,307.28/537,553.08 = 257,222.52/x
  3. Step 3: Cross multiply
    358,307.28x = 537,553.08 × 257,222.52
  4. Step 4: Simplify right side
    358,307.28x = 138,270,757,871.36
  5. Step 5: Solve for x
    x = 138,270,757,871.36/358,307.28
  6. Step 6: Final answer
    x = 385,899.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.