Home / 279,790.03-386,110.29-152,465.63

Finding the Fourth Proportional to 279,790.03, 386,110.29 and 152,465.63

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Solution

The fourth proportional to 279,790.03, 386,110.29 and 152,465.63 is: 210,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,790.03 : 386,110.29 = 152,465.63 : x
  2. Step 2: Convert to fraction form
    279,790.03/386,110.29 = 152,465.63/x
  3. Step 3: Cross multiply
    279,790.03x = 386,110.29 × 152,465.63
  4. Step 4: Simplify right side
    279,790.03x = 58,868,547,255.53
  5. Step 5: Solve for x
    x = 58,868,547,255.53/279,790.03
  6. Step 6: Final answer
    x = 210,402.59

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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.