Home / 320,465.75-442,224.77-175,242.72

Finding the Fourth Proportional to 320,465.75, 442,224.77 and 175,242.72

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Solution

The fourth proportional to 320,465.75, 442,224.77 and 175,242.72 is: 241,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,465.75 : 442,224.77 = 175,242.72 : x
  2. Step 2: Convert to fraction form
    320,465.75/442,224.77 = 175,242.72/x
  3. Step 3: Cross multiply
    320,465.75x = 442,224.77 × 175,242.72
  4. Step 4: Simplify right side
    320,465.75x = 77,496,672,328.30
  5. Step 5: Solve for x
    x = 77,496,672,328.30/320,465.75
  6. Step 6: Final answer
    x = 241,825.13

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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.