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Finding the Fourth Proportional to 286,897.95, 432,495.65 and 267,630.48

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Solution

The fourth proportional to 286,897.95, 432,495.65 and 267,630.48 is: 403,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,897.95 : 432,495.65 = 267,630.48 : x
  2. Step 2: Convert to fraction form
    286,897.95/432,495.65 = 267,630.48/x
  3. Step 3: Cross multiply
    286,897.95x = 432,495.65 × 267,630.48
  4. Step 4: Simplify right side
    286,897.95x = 115,749,019,076.49
  5. Step 5: Solve for x
    x = 115,749,019,076.49/286,897.95
  6. Step 6: Final answer
    x = 403,450.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.