Home / 315,612.24-435,547.68-179,654.94

Finding the Fourth Proportional to 315,612.24, 435,547.68 and 179,654.94

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Solution

The fourth proportional to 315,612.24, 435,547.68 and 179,654.94 is: 247,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,612.24 : 435,547.68 = 179,654.94 : x
  2. Step 2: Convert to fraction form
    315,612.24/435,547.68 = 179,654.94/x
  3. Step 3: Cross multiply
    315,612.24x = 435,547.68 × 179,654.94
  4. Step 4: Simplify right side
    315,612.24x = 78,248,292,317.54
  5. Step 5: Solve for x
    x = 78,248,292,317.54/315,612.24
  6. Step 6: Final answer
    x = 247,925.40

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1.5x scale

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.