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Finding the Fourth Proportional to 168,364.90, 252,547.35 and 168,364.90

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Solution

The fourth proportional to 168,364.90, 252,547.35 and 168,364.90 is: 252,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,364.90 : 252,547.35 = 168,364.90 : x
  2. Step 2: Convert to fraction form
    168,364.90/252,547.35 = 168,364.90/x
  3. Step 3: Cross multiply
    168,364.90x = 252,547.35 × 168,364.90
  4. Step 4: Simplify right side
    168,364.90x = 42,520,109,328.02
  5. Step 5: Solve for x
    x = 42,520,109,328.02/168,364.90
  6. Step 6: Final answer
    x = 252,547.35

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1.5x scale

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.