Home / 253,025.19-349,461.68-172,312.47

Finding the Fourth Proportional to 253,025.19, 349,461.68 and 172,312.47

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Solution

The fourth proportional to 253,025.19, 349,461.68 and 172,312.47 is: 237,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,025.19 : 349,461.68 = 172,312.47 : x
  2. Step 2: Convert to fraction form
    253,025.19/349,461.68 = 172,312.47/x
  3. Step 3: Cross multiply
    253,025.19x = 349,461.68 × 172,312.47
  4. Step 4: Simplify right side
    253,025.19x = 60,216,604,389.59
  5. Step 5: Solve for x
    x = 60,216,604,389.59/253,025.19
  6. Step 6: Final answer
    x = 237,986.60

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1.5x scale

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.