Home / 210,437.50-315,657.06-52,665.52

Finding the Fourth Proportional to 210,437.50, 315,657.06 and 52,665.52

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Solution

The fourth proportional to 210,437.50, 315,657.06 and 52,665.52 is: 78,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,437.50 : 315,657.06 = 52,665.52 : x
  2. Step 2: Convert to fraction form
    210,437.50/315,657.06 = 52,665.52/x
  3. Step 3: Cross multiply
    210,437.50x = 315,657.06 × 52,665.52
  4. Step 4: Simplify right side
    210,437.50x = 16,624,243,206.57
  5. Step 5: Solve for x
    x = 16,624,243,206.57/210,437.50
  6. Step 6: Final answer
    x = 78,998.48

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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.