Home / 306,948.59-423,588.29-170,981.11

Finding the Fourth Proportional to 306,948.59, 423,588.29 and 170,981.11

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Solution

The fourth proportional to 306,948.59, 423,588.29 and 170,981.11 is: 235,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,948.59 : 423,588.29 = 170,981.11 : x
  2. Step 2: Convert to fraction form
    306,948.59/423,588.29 = 170,981.11/x
  3. Step 3: Cross multiply
    306,948.59x = 423,588.29 × 170,981.11
  4. Step 4: Simplify right side
    306,948.59x = 72,425,595,681.78
  5. Step 5: Solve for x
    x = 72,425,595,681.78/306,948.59
  6. Step 6: Final answer
    x = 235,953.51

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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.