Home / 307,390.08-424,232.64-180,173.28

Finding the Fourth Proportional to 307,390.08, 424,232.64 and 180,173.28

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Solution

The fourth proportional to 307,390.08, 424,232.64 and 180,173.28 is: 248,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,390.08 : 424,232.64 = 180,173.28 : x
  2. Step 2: Convert to fraction form
    307,390.08/424,232.64 = 180,173.28/x
  3. Step 3: Cross multiply
    307,390.08x = 424,232.64 × 180,173.28
  4. Step 4: Simplify right side
    307,390.08x = 76,435,386,231.86
  5. Step 5: Solve for x
    x = 76,435,386,231.86/307,390.08
  6. Step 6: Final answer
    x = 248,659.25

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1.5x scale

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.