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Finding the Fourth Proportional to 210,005.55, 315,008.33 and 177,200.55

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Solution

The fourth proportional to 210,005.55, 315,008.33 and 177,200.55 is: 265,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.55 : 315,008.33 = 177,200.55 : x
  2. Step 2: Convert to fraction form
    210,005.55/315,008.33 = 177,200.55/x
  3. Step 3: Cross multiply
    210,005.55x = 315,008.33 × 177,200.55
  4. Step 4: Simplify right side
    210,005.55x = 55,819,648,444.58
  5. Step 5: Solve for x
    x = 55,819,648,444.58/210,005.55
  6. Step 6: Final answer
    x = 265,800.83

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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.