Home / 278,655.27-384,547.10-151,333.35

Finding the Fourth Proportional to 278,655.27, 384,547.10 and 151,333.35

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Solution

The fourth proportional to 278,655.27, 384,547.10 and 151,333.35 is: 208,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,655.27 : 384,547.10 = 151,333.35 : x
  2. Step 2: Convert to fraction form
    278,655.27/384,547.10 = 151,333.35/x
  3. Step 3: Cross multiply
    278,655.27x = 384,547.10 × 151,333.35
  4. Step 4: Simplify right side
    278,655.27x = 58,194,800,119.12
  5. Step 5: Solve for x
    x = 58,194,800,119.12/278,655.27
  6. Step 6: Final answer
    x = 208,841.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.