Home / 288,861.20-433,547.80-170,384.40

Finding the Fourth Proportional to 288,861.20, 433,547.80 and 170,384.40

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Solution

The fourth proportional to 288,861.20, 433,547.80 and 170,384.40 is: 255,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,861.20 : 433,547.80 = 170,384.40 : x
  2. Step 2: Convert to fraction form
    288,861.20/433,547.80 = 170,384.40/x
  3. Step 3: Cross multiply
    288,861.20x = 433,547.80 × 170,384.40
  4. Step 4: Simplify right side
    288,861.20x = 73,869,781,774.32
  5. Step 5: Solve for x
    x = 73,869,781,774.32/288,861.20
  6. Step 6: Final answer
    x = 255,727.60

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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.