Home / 210,444.27-315,682.80-70,202.89

Finding the Fourth Proportional to 210,444.27, 315,682.80 and 70,202.89

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Solution

The fourth proportional to 210,444.27, 315,682.80 and 70,202.89 is: 105,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,444.27 : 315,682.80 = 70,202.89 : x
  2. Step 2: Convert to fraction form
    210,444.27/315,682.80 = 70,202.89/x
  3. Step 3: Cross multiply
    210,444.27x = 315,682.80 × 70,202.89
  4. Step 4: Simplify right side
    210,444.27x = 22,161,844,883.29
  5. Step 5: Solve for x
    x = 22,161,844,883.29/210,444.27
  6. Step 6: Final answer
    x = 105,309.80

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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.