Home / 208,347.02-312,520.64-58,587.30

Finding the Fourth Proportional to 208,347.02, 312,520.64 and 58,587.30

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Solution

The fourth proportional to 208,347.02, 312,520.64 and 58,587.30 is: 87,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,347.02 : 312,520.64 = 58,587.30 : x
  2. Step 2: Convert to fraction form
    208,347.02/312,520.64 = 58,587.30/x
  3. Step 3: Cross multiply
    208,347.02x = 312,520.64 × 58,587.30
  4. Step 4: Simplify right side
    208,347.02x = 18,309,740,491.87
  5. Step 5: Solve for x
    x = 18,309,740,491.87/208,347.02
  6. Step 6: Final answer
    x = 87,880.98

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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.