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Finding the Fourth Proportional to 282,237.84, 389,492.82 and 154,925.28

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Solution

The fourth proportional to 282,237.84, 389,492.82 and 154,925.28 is: 213,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,237.84 : 389,492.82 = 154,925.28 : x
  2. Step 2: Convert to fraction form
    282,237.84/389,492.82 = 154,925.28/x
  3. Step 3: Cross multiply
    282,237.84x = 389,492.82 × 154,925.28
  4. Step 4: Simplify right side
    282,237.84x = 60,342,284,196.49
  5. Step 5: Solve for x
    x = 60,342,284,196.49/282,237.84
  6. Step 6: Final answer
    x = 213,799.41

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1.5x scale

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.