Home / 306,089.10-459,133.65-118,979.10

Finding the Fourth Proportional to 306,089.10, 459,133.65 and 118,979.10

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Solution

The fourth proportional to 306,089.10, 459,133.65 and 118,979.10 is: 178,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,089.10 : 459,133.65 = 118,979.10 : x
  2. Step 2: Convert to fraction form
    306,089.10/459,133.65 = 118,979.10/x
  3. Step 3: Cross multiply
    306,089.10x = 459,133.65 × 118,979.10
  4. Step 4: Simplify right side
    306,089.10x = 54,627,308,456.72
  5. Step 5: Solve for x
    x = 54,627,308,456.72/306,089.10
  6. Step 6: Final answer
    x = 178,468.65

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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.