Home / 286,823.16-430,262.86-104,503.54

Finding the Fourth Proportional to 286,823.16, 430,262.86 and 104,503.54

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Solution

The fourth proportional to 286,823.16, 430,262.86 and 104,503.54 is: 156,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,823.16 : 430,262.86 = 104,503.54 : x
  2. Step 2: Convert to fraction form
    286,823.16/430,262.86 = 104,503.54/x
  3. Step 3: Cross multiply
    286,823.16x = 430,262.86 × 104,503.54
  4. Step 4: Simplify right side
    286,823.16x = 44,963,990,663.61
  5. Step 5: Solve for x
    x = 44,963,990,663.61/286,823.16
  6. Step 6: Final answer
    x = 156,765.55

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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.