Home / 410,086.90-614,669.55-210,330.10

Finding the Fourth Proportional to 410,086.90, 614,669.55 and 210,330.10

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Solution

The fourth proportional to 410,086.90, 614,669.55 and 210,330.10 is: 315,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,086.90 : 614,669.55 = 210,330.10 : x
  2. Step 2: Convert to fraction form
    410,086.90/614,669.55 = 210,330.10/x
  3. Step 3: Cross multiply
    410,086.90x = 614,669.55 × 210,330.10
  4. Step 4: Simplify right side
    410,086.90x = 129,283,507,918.46
  5. Step 5: Solve for x
    x = 129,283,507,918.46/410,086.90
  6. Step 6: Final answer
    x = 315,258.81

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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.