Home / 477,528.16-716,045.75-140,525.06

Finding the Fourth Proportional to 477,528.16, 716,045.75 and 140,525.06

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Solution

The fourth proportional to 477,528.16, 716,045.75 and 140,525.06 is: 210,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,528.16 : 716,045.75 = 140,525.06 : x
  2. Step 2: Convert to fraction form
    477,528.16/716,045.75 = 140,525.06/x
  3. Step 3: Cross multiply
    477,528.16x = 716,045.75 × 140,525.06
  4. Step 4: Simplify right side
    477,528.16x = 100,622,367,698.64
  5. Step 5: Solve for x
    x = 100,622,367,698.64/477,528.16
  6. Step 6: Final answer
    x = 210,715.04

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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.