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Finding the Fourth Proportional to 240,043.65, 360,119.10 and 90,285.23

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Solution

The fourth proportional to 240,043.65, 360,119.10 and 90,285.23 is: 135,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,043.65 : 360,119.10 = 90,285.23 : x
  2. Step 2: Convert to fraction form
    240,043.65/360,119.10 = 90,285.23/x
  3. Step 3: Cross multiply
    240,043.65x = 360,119.10 × 90,285.23
  4. Step 4: Simplify right side
    240,043.65x = 32,513,433,970.30
  5. Step 5: Solve for x
    x = 32,513,433,970.30/240,043.65
  6. Step 6: Final answer
    x = 135,448.01

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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.