Home / 307,586.20-461,444.10-130,001.80

Finding the Fourth Proportional to 307,586.20, 461,444.10 and 130,001.80

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Solution

The fourth proportional to 307,586.20, 461,444.10 and 130,001.80 is: 195,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,586.20 : 461,444.10 = 130,001.80 : x
  2. Step 2: Convert to fraction form
    307,586.20/461,444.10 = 130,001.80/x
  3. Step 3: Cross multiply
    307,586.20x = 461,444.10 × 130,001.80
  4. Step 4: Simplify right side
    307,586.20x = 59,988,563,599.38
  5. Step 5: Solve for x
    x = 59,988,563,599.38/307,586.20
  6. Step 6: Final answer
    x = 195,030.09

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1.5x scale

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.