Home / 436,342.28-602,140.38-245,350.76

Finding the Fourth Proportional to 436,342.28, 602,140.38 and 245,350.76

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Solution

The fourth proportional to 436,342.28, 602,140.38 and 245,350.76 is: 338,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,342.28 : 602,140.38 = 245,350.76 : x
  2. Step 2: Convert to fraction form
    436,342.28/602,140.38 = 245,350.76/x
  3. Step 3: Cross multiply
    436,342.28x = 602,140.38 × 245,350.76
  4. Step 4: Simplify right side
    436,342.28x = 147,735,599,859.69
  5. Step 5: Solve for x
    x = 147,735,599,859.69/436,342.28
  6. Step 6: Final answer
    x = 338,577.32

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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.