Home / 317,041.12-437,444.88-215,080.48

Finding the Fourth Proportional to 317,041.12, 437,444.88 and 215,080.48

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Solution

The fourth proportional to 317,041.12, 437,444.88 and 215,080.48 is: 296,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,041.12 : 437,444.88 = 215,080.48 : x
  2. Step 2: Convert to fraction form
    317,041.12/437,444.88 = 215,080.48/x
  3. Step 3: Cross multiply
    317,041.12x = 437,444.88 × 215,080.48
  4. Step 4: Simplify right side
    317,041.12x = 94,085,854,763.94
  5. Step 5: Solve for x
    x = 94,085,854,763.94/317,041.12
  6. Step 6: Final answer
    x = 296,762.31

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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.