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Finding the Fourth Proportional to 662,312, 993,616.08 and 241,587.86

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Solution

The fourth proportional to 662,312, 993,616.08 and 241,587.86 is: 362,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,312 : 993,616.08 = 241,587.86 : x
  2. Step 2: Convert to fraction form
    662,312/993,616.08 = 241,587.86/x
  3. Step 3: Cross multiply
    662,312x = 993,616.08 × 241,587.86
  4. Step 4: Simplify right side
    662,312x = 240,045,582,428.79
  5. Step 5: Solve for x
    x = 240,045,582,428.79/662,312
  6. Step 6: Final answer
    x = 362,435.80

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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.