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Finding the Fourth Proportional to 560,133.72, 840,199.29 and 240,078.06

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Solution

The fourth proportional to 560,133.72, 840,199.29 and 240,078.06 is: 360,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,133.72 : 840,199.29 = 240,078.06 : x
  2. Step 2: Convert to fraction form
    560,133.72/840,199.29 = 240,078.06/x
  3. Step 3: Cross multiply
    560,133.72x = 840,199.29 × 240,078.06
  4. Step 4: Simplify right side
    560,133.72x = 201,713,411,355.58
  5. Step 5: Solve for x
    x = 201,713,411,355.58/560,133.72
  6. Step 6: Final answer
    x = 360,116.53

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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.