Home / 306,271.28-459,275.16-119,239.04

Finding the Fourth Proportional to 306,271.28, 459,275.16 and 119,239.04

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Solution

The fourth proportional to 306,271.28, 459,275.16 and 119,239.04 is: 178,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,271.28 : 459,275.16 = 119,239.04 : x
  2. Step 2: Convert to fraction form
    306,271.28/459,275.16 = 119,239.04/x
  3. Step 3: Cross multiply
    306,271.28x = 459,275.16 × 119,239.04
  4. Step 4: Simplify right side
    306,271.28x = 54,763,529,174.25
  5. Step 5: Solve for x
    x = 54,763,529,174.25/306,271.28
  6. Step 6: Final answer
    x = 178,807.26

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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.