Home / 436,339.28-602,136.24-245,347.76

Finding the Fourth Proportional to 436,339.28, 602,136.24 and 245,347.76

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Solution

The fourth proportional to 436,339.28, 602,136.24 and 245,347.76 is: 338,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,339.28 : 602,136.24 = 245,347.76 : x
  2. Step 2: Convert to fraction form
    436,339.28/602,136.24 = 245,347.76/x
  3. Step 3: Cross multiply
    436,339.28x = 602,136.24 × 245,347.76
  4. Step 4: Simplify right side
    436,339.28x = 147,732,777,698.82
  5. Step 5: Solve for x
    x = 147,732,777,698.82/436,339.28
  6. Step 6: Final answer
    x = 338,573.18

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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.