Home / 317,075.40-437,332.22-202,432.86

Finding the Fourth Proportional to 317,075.40, 437,332.22 and 202,432.86

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Solution

The fourth proportional to 317,075.40, 437,332.22 and 202,432.86 is: 279,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,075.40 : 437,332.22 = 202,432.86 : x
  2. Step 2: Convert to fraction form
    317,075.40/437,332.22 = 202,432.86/x
  3. Step 3: Cross multiply
    317,075.40x = 437,332.22 × 202,432.86
  4. Step 4: Simplify right side
    317,075.40x = 88,530,412,064.75
  5. Step 5: Solve for x
    x = 88,530,412,064.75/317,075.40
  6. Step 6: Final answer
    x = 279,209.34

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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.