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Finding the Fourth Proportional to 240,007.40, 360,011.10 and 135,031.40

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Solution

The fourth proportional to 240,007.40, 360,011.10 and 135,031.40 is: 202,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,007.40 : 360,011.10 = 135,031.40 : x
  2. Step 2: Convert to fraction form
    240,007.40/360,011.10 = 135,031.40/x
  3. Step 3: Cross multiply
    240,007.40x = 360,011.10 × 135,031.40
  4. Step 4: Simplify right side
    240,007.40x = 48,612,802,848.54
  5. Step 5: Solve for x
    x = 48,612,802,848.54/240,007.40
  6. Step 6: Final answer
    x = 202,547.10

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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.