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Finding the Fourth Proportional to 240,802.20, 360,857.70 and 177,125.40

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Solution

The fourth proportional to 240,802.20, 360,857.70 and 177,125.40 is: 265,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,802.20 : 360,857.70 = 177,125.40 : x
  2. Step 2: Convert to fraction form
    240,802.20/360,857.70 = 177,125.40/x
  3. Step 3: Cross multiply
    240,802.20x = 360,857.70 × 177,125.40
  4. Step 4: Simplify right side
    240,802.20x = 63,917,064,455.58
  5. Step 5: Solve for x
    x = 63,917,064,455.58/240,802.20
  6. Step 6: Final answer
    x = 265,433.89

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1.5x scale

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.