Home / 358,925.24-495,316.86-208,109.72

Finding the Fourth Proportional to 358,925.24, 495,316.86 and 208,109.72

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Solution

The fourth proportional to 358,925.24, 495,316.86 and 208,109.72 is: 287,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,925.24 : 495,316.86 = 208,109.72 : x
  2. Step 2: Convert to fraction form
    358,925.24/495,316.86 = 208,109.72/x
  3. Step 3: Cross multiply
    358,925.24x = 495,316.86 × 208,109.72
  4. Step 4: Simplify right side
    358,925.24x = 103,080,253,045.88
  5. Step 5: Solve for x
    x = 103,080,253,045.88/358,925.24
  6. Step 6: Final answer
    x = 287,191.43

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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.