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Finding the Fourth Proportional to 240,006.40, 360,009.60 and 135,030.40

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Solution

The fourth proportional to 240,006.40, 360,009.60 and 135,030.40 is: 202,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,006.40 : 360,009.60 = 135,030.40 : x
  2. Step 2: Convert to fraction form
    240,006.40/360,009.60 = 135,030.40/x
  3. Step 3: Cross multiply
    240,006.40x = 360,009.60 × 135,030.40
  4. Step 4: Simplify right side
    240,006.40x = 48,612,240,291.84
  5. Step 5: Solve for x
    x = 48,612,240,291.84/240,006.40
  6. Step 6: Final answer
    x = 202,545.60

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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.