Home / 648,240.72-972,353.26-168,426.06

Finding the Fourth Proportional to 648,240.72, 972,353.26 and 168,426.06

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Solution

The fourth proportional to 648,240.72, 972,353.26 and 168,426.06 is: 252,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,240.72 : 972,353.26 = 168,426.06 : x
  2. Step 2: Convert to fraction form
    648,240.72/972,353.26 = 168,426.06/x
  3. Step 3: Cross multiply
    648,240.72x = 972,353.26 × 168,426.06
  4. Step 4: Simplify right side
    648,240.72x = 163,769,627,808.91
  5. Step 5: Solve for x
    x = 163,769,627,808.91/648,240.72
  6. Step 6: Final answer
    x = 252,637.06

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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.