Home / 210,484.26-315,624.06-70,195.50

Finding the Fourth Proportional to 210,484.26, 315,624.06 and 70,195.50

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Solution

The fourth proportional to 210,484.26, 315,624.06 and 70,195.50 is: 105,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,484.26 : 315,624.06 = 70,195.50 : x
  2. Step 2: Convert to fraction form
    210,484.26/315,624.06 = 70,195.50/x
  3. Step 3: Cross multiply
    210,484.26x = 315,624.06 × 70,195.50
  4. Step 4: Simplify right side
    210,484.26x = 22,155,388,703.73
  5. Step 5: Solve for x
    x = 22,155,388,703.73/210,484.26
  6. Step 6: Final answer
    x = 105,259.12

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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.