Home / 286,386.39-429,580.80-96,847.74

Finding the Fourth Proportional to 286,386.39, 429,580.80 and 96,847.74

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Solution

The fourth proportional to 286,386.39, 429,580.80 and 96,847.74 is: 145,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,386.39 : 429,580.80 = 96,847.74 : x
  2. Step 2: Convert to fraction form
    286,386.39/429,580.80 = 96,847.74/x
  3. Step 3: Cross multiply
    286,386.39x = 429,580.80 × 96,847.74
  4. Step 4: Simplify right side
    286,386.39x = 41,603,929,627.39
  5. Step 5: Solve for x
    x = 41,603,929,627.39/286,386.39
  6. Step 6: Final answer
    x = 145,272.02

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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.