Home / 435,986.10-601,655.40-245,031.84

Finding the Fourth Proportional to 435,986.10, 601,655.40 and 245,031.84

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Solution

The fourth proportional to 435,986.10, 601,655.40 and 245,031.84 is: 338,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,986.10 : 601,655.40 = 245,031.84 : x
  2. Step 2: Convert to fraction form
    435,986.10/601,655.40 = 245,031.84/x
  3. Step 3: Cross multiply
    435,986.10x = 601,655.40 × 245,031.84
  4. Step 4: Simplify right side
    435,986.10x = 147,424,729,707.94
  5. Step 5: Solve for x
    x = 147,424,729,707.94/435,986.10
  6. Step 6: Final answer
    x = 338,140.89

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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.