Home / 648,238.19-972,349.46-168,423.53

Finding the Fourth Proportional to 648,238.19, 972,349.46 and 168,423.53

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Solution

The fourth proportional to 648,238.19, 972,349.46 and 168,423.53 is: 252,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,238.19 : 972,349.46 = 168,423.53 : x
  2. Step 2: Convert to fraction form
    648,238.19/972,349.46 = 168,423.53/x
  3. Step 3: Cross multiply
    648,238.19x = 972,349.46 × 168,423.53
  4. Step 4: Simplify right side
    648,238.19x = 163,766,527,056.63
  5. Step 5: Solve for x
    x = 163,766,527,056.63/648,238.19
  6. Step 6: Final answer
    x = 252,633.26

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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.