Home / 310,555.07-428,581.20-174,631.81

Finding the Fourth Proportional to 310,555.07, 428,581.20 and 174,631.81

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Solution

The fourth proportional to 310,555.07, 428,581.20 and 174,631.81 is: 241,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,555.07 : 428,581.20 = 174,631.81 : x
  2. Step 2: Convert to fraction form
    310,555.07/428,581.20 = 174,631.81/x
  3. Step 3: Cross multiply
    310,555.07x = 428,581.20 × 174,631.81
  4. Step 4: Simplify right side
    310,555.07x = 74,843,908,545.07
  5. Step 5: Solve for x
    x = 74,843,908,545.07/310,555.07
  6. Step 6: Final answer
    x = 241,000.44

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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.