Home / 324,768.64-448,253.04-197,417.20

Finding the Fourth Proportional to 324,768.64, 448,253.04 and 197,417.20

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Solution

The fourth proportional to 324,768.64, 448,253.04 and 197,417.20 is: 272,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,768.64 : 448,253.04 = 197,417.20 : x
  2. Step 2: Convert to fraction form
    324,768.64/448,253.04 = 197,417.20/x
  3. Step 3: Cross multiply
    324,768.64x = 448,253.04 × 197,417.20
  4. Step 4: Simplify right side
    324,768.64x = 88,492,860,048.29
  5. Step 5: Solve for x
    x = 88,492,860,048.29/324,768.64
  6. Step 6: Final answer
    x = 272,479.70

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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.