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Finding the Fourth Proportional to 281,595.90, 388,599.08 and 152,531.94

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Solution

The fourth proportional to 281,595.90, 388,599.08 and 152,531.94 is: 210,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,595.90 : 388,599.08 = 152,531.94 : x
  2. Step 2: Convert to fraction form
    281,595.90/388,599.08 = 152,531.94/x
  3. Step 3: Cross multiply
    281,595.90x = 388,599.08 × 152,531.94
  4. Step 4: Simplify right side
    281,595.90x = 59,273,771,554.62
  5. Step 5: Solve for x
    x = 59,273,771,554.62/281,595.90
  6. Step 6: Final answer
    x = 210,492.31

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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.