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Finding the Fourth Proportional to 240,009.40, 360,014.10 and 135,033.40

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Solution

The fourth proportional to 240,009.40, 360,014.10 and 135,033.40 is: 202,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,009.40 : 360,014.10 = 135,033.40 : x
  2. Step 2: Convert to fraction form
    240,009.40/360,014.10 = 135,033.40/x
  3. Step 3: Cross multiply
    240,009.40x = 360,014.10 × 135,033.40
  4. Step 4: Simplify right side
    240,009.40x = 48,613,927,970.94
  5. Step 5: Solve for x
    x = 48,613,927,970.94/240,009.40
  6. Step 6: Final answer
    x = 202,550.10

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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.