Home / 478,988.16-718,556.04-163,371.32

Finding the Fourth Proportional to 478,988.16, 718,556.04 and 163,371.32

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Solution

The fourth proportional to 478,988.16, 718,556.04 and 163,371.32 is: 245,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,988.16 : 718,556.04 = 163,371.32 : x
  2. Step 2: Convert to fraction form
    478,988.16/718,556.04 = 163,371.32/x
  3. Step 3: Cross multiply
    478,988.16x = 718,556.04 × 163,371.32
  4. Step 4: Simplify right side
    478,988.16x = 117,391,448,748.77
  5. Step 5: Solve for x
    x = 117,391,448,748.77/478,988.16
  6. Step 6: Final answer
    x = 245,082.15

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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.