Home / 210,038.87-315,060.47-52,267.33

Finding the Fourth Proportional to 210,038.87, 315,060.47 and 52,267.33

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Solution

The fourth proportional to 210,038.87, 315,060.47 and 52,267.33 is: 78,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,038.87 : 315,060.47 = 52,267.33 : x
  2. Step 2: Convert to fraction form
    210,038.87/315,060.47 = 52,267.33/x
  3. Step 3: Cross multiply
    210,038.87x = 315,060.47 × 52,267.33
  4. Step 4: Simplify right side
    210,038.87x = 16,467,368,332.22
  5. Step 5: Solve for x
    x = 16,467,368,332.22/210,038.87
  6. Step 6: Final answer
    x = 78,401.53

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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.