Home / 436,329.28-602,128.49-245,343.13

Finding the Fourth Proportional to 436,329.28, 602,128.49 and 245,343.13

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Solution

The fourth proportional to 436,329.28, 602,128.49 and 245,343.13 is: 338,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,329.28 : 602,128.49 = 245,343.13 : x
  2. Step 2: Convert to fraction form
    436,329.28/602,128.49 = 245,343.13/x
  3. Step 3: Cross multiply
    436,329.28x = 602,128.49 × 245,343.13
  4. Step 4: Simplify right side
    436,329.28x = 147,728,085,666.74
  5. Step 5: Solve for x
    x = 147,728,085,666.74/436,329.28
  6. Step 6: Final answer
    x = 338,570.19

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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.