Home / 368,731.72-508,848.30-207,587.08

Finding the Fourth Proportional to 368,731.72, 508,848.30 and 207,587.08

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Solution

The fourth proportional to 368,731.72, 508,848.30 and 207,587.08 is: 286,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,731.72 : 508,848.30 = 207,587.08 : x
  2. Step 2: Convert to fraction form
    368,731.72/508,848.30 = 207,587.08/x
  3. Step 3: Cross multiply
    368,731.72x = 508,848.30 × 207,587.08
  4. Step 4: Simplify right side
    368,731.72x = 105,630,331,487.84
  5. Step 5: Solve for x
    x = 105,630,331,487.84/368,731.72
  6. Step 6: Final answer
    x = 286,469.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.