Home / 288,220.28-432,106.55-186,804.23

Finding the Fourth Proportional to 288,220.28, 432,106.55 and 186,804.23

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Solution

The fourth proportional to 288,220.28, 432,106.55 and 186,804.23 is: 280,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,220.28 : 432,106.55 = 186,804.23 : x
  2. Step 2: Convert to fraction form
    288,220.28/432,106.55 = 186,804.23/x
  3. Step 3: Cross multiply
    288,220.28x = 432,106.55 × 186,804.23
  4. Step 4: Simplify right side
    288,220.28x = 80,719,328,956.67
  5. Step 5: Solve for x
    x = 80,719,328,956.67/288,220.28
  6. Step 6: Final answer
    x = 280,061.24

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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.