Home / 307,130.08-460,757.04-129,637.28

Finding the Fourth Proportional to 307,130.08, 460,757.04 and 129,637.28

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Solution

The fourth proportional to 307,130.08, 460,757.04 and 129,637.28 is: 194,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,130.08 : 460,757.04 = 129,637.28 : x
  2. Step 2: Convert to fraction form
    307,130.08/460,757.04 = 129,637.28/x
  3. Step 3: Cross multiply
    307,130.08x = 460,757.04 × 129,637.28
  4. Step 4: Simplify right side
    307,130.08x = 59,731,289,406.45
  5. Step 5: Solve for x
    x = 59,731,289,406.45/307,130.08
  6. Step 6: Final answer
    x = 194,482.06

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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.