Home / 210,281.08-315,420-52,508.48

Finding the Fourth Proportional to 210,281.08, 315,420 and 52,508.48

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Solution

The fourth proportional to 210,281.08, 315,420 and 52,508.48 is: 78,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,281.08 : 315,420 = 52,508.48 : x
  2. Step 2: Convert to fraction form
    210,281.08/315,420 = 52,508.48/x
  3. Step 3: Cross multiply
    210,281.08x = 315,420 × 52,508.48
  4. Step 4: Simplify right side
    210,281.08x = 16,562,224,761.60
  5. Step 5: Solve for x
    x = 16,562,224,761.60/210,281.08
  6. Step 6: Final answer
    x = 78,762.32

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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.