Home / 288,875.20-433,568.80-170,398.40

Finding the Fourth Proportional to 288,875.20, 433,568.80 and 170,398.40

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Solution

The fourth proportional to 288,875.20, 433,568.80 and 170,398.40 is: 255,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,875.20 : 433,568.80 = 170,398.40 : x
  2. Step 2: Convert to fraction form
    288,875.20/433,568.80 = 170,398.40/x
  3. Step 3: Cross multiply
    288,875.20x = 433,568.80 × 170,398.40
  4. Step 4: Simplify right side
    288,875.20x = 73,879,429,809.92
  5. Step 5: Solve for x
    x = 73,879,429,809.92/288,875.20
  6. Step 6: Final answer
    x = 255,748.61

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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.