Home / 657,576.18-986,420.19-231,075.20

Finding the Fourth Proportional to 657,576.18, 986,420.19 and 231,075.20

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Solution

The fourth proportional to 657,576.18, 986,420.19 and 231,075.20 is: 346,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,576.18 : 986,420.19 = 231,075.20 : x
  2. Step 2: Convert to fraction form
    657,576.18/986,420.19 = 231,075.20/x
  3. Step 3: Cross multiply
    657,576.18x = 986,420.19 × 231,075.20
  4. Step 4: Simplify right side
    657,576.18x = 227,937,242,688.29
  5. Step 5: Solve for x
    x = 227,937,242,688.29/657,576.18
  6. Step 6: Final answer
    x = 346,632.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.