Home / 228,637.28-315,571.95-152,159.61

Finding the Fourth Proportional to 228,637.28, 315,571.95 and 152,159.61

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Solution

The fourth proportional to 228,637.28, 315,571.95 and 152,159.61 is: 210,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,637.28 : 315,571.95 = 152,159.61 : x
  2. Step 2: Convert to fraction form
    228,637.28/315,571.95 = 152,159.61/x
  3. Step 3: Cross multiply
    228,637.28x = 315,571.95 × 152,159.61
  4. Step 4: Simplify right side
    228,637.28x = 48,017,306,022.33
  5. Step 5: Solve for x
    x = 48,017,306,022.33/228,637.28
  6. Step 6: Final answer
    x = 210,015.21

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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.