Home / 467,666.55-645,232.77-286,189.29

Finding the Fourth Proportional to 467,666.55, 645,232.77 and 286,189.29

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Solution

The fourth proportional to 467,666.55, 645,232.77 and 286,189.29 is: 394,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,666.55 : 645,232.77 = 286,189.29 : x
  2. Step 2: Convert to fraction form
    467,666.55/645,232.77 = 286,189.29/x
  3. Step 3: Cross multiply
    467,666.55x = 645,232.77 × 286,189.29
  4. Step 4: Simplify right side
    467,666.55x = 184,658,708,331.03
  5. Step 5: Solve for x
    x = 184,658,708,331.03/467,666.55
  6. Step 6: Final answer
    x = 394,851.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.