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Finding the Fourth Proportional to 300,492.18, 450,426.93 and 187,913.93

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Solution

The fourth proportional to 300,492.18, 450,426.93 and 187,913.93 is: 281,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,492.18 : 450,426.93 = 187,913.93 : x
  2. Step 2: Convert to fraction form
    300,492.18/450,426.93 = 187,913.93/x
  3. Step 3: Cross multiply
    300,492.18x = 450,426.93 × 187,913.93
  4. Step 4: Simplify right side
    300,492.18x = 84,641,491,637.32
  5. Step 5: Solve for x
    x = 84,641,491,637.32/300,492.18
  6. Step 6: Final answer
    x = 281,676.19

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1.5x scale

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.