Home / 328,035.10-492,247.05-216,036.40

Finding the Fourth Proportional to 328,035.10, 492,247.05 and 216,036.40

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Solution

The fourth proportional to 328,035.10, 492,247.05 and 216,036.40 is: 324,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,035.10 : 492,247.05 = 216,036.40 : x
  2. Step 2: Convert to fraction form
    328,035.10/492,247.05 = 216,036.40/x
  3. Step 3: Cross multiply
    328,035.10x = 492,247.05 × 216,036.40
  4. Step 4: Simplify right side
    328,035.10x = 106,343,280,592.62
  5. Step 5: Solve for x
    x = 106,343,280,592.62/328,035.10
  6. Step 6: Final answer
    x = 324,182.63

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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.