Home / 303,767.15-455,432.02-170,688.20

Finding the Fourth Proportional to 303,767.15, 455,432.02 and 170,688.20

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Solution

The fourth proportional to 303,767.15, 455,432.02 and 170,688.20 is: 255,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,767.15 : 455,432.02 = 170,688.20 : x
  2. Step 2: Convert to fraction form
    303,767.15/455,432.02 = 170,688.20/x
  3. Step 3: Cross multiply
    303,767.15x = 455,432.02 × 170,688.20
  4. Step 4: Simplify right side
    303,767.15x = 77,736,871,716.16
  5. Step 5: Solve for x
    x = 77,736,871,716.16/303,767.15
  6. Step 6: Final answer
    x = 255,909.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.