Home / 292,281.75-438,423.03-70,665.75

Finding the Fourth Proportional to 292,281.75, 438,423.03 and 70,665.75

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Solution

The fourth proportional to 292,281.75, 438,423.03 and 70,665.75 is: 105,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,281.75 : 438,423.03 = 70,665.75 : x
  2. Step 2: Convert to fraction form
    292,281.75/438,423.03 = 70,665.75/x
  3. Step 3: Cross multiply
    292,281.75x = 438,423.03 × 70,665.75
  4. Step 4: Simplify right side
    292,281.75x = 30,981,492,232.22
  5. Step 5: Solve for x
    x = 30,981,492,232.22/292,281.75
  6. Step 6: Final answer
    x = 105,998.72

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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.