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Finding the Fourth Proportional to 300,030.90, 413,847.54 and 192,430.50

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Solution

The fourth proportional to 300,030.90, 413,847.54 and 192,430.50 is: 265,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,030.90 : 413,847.54 = 192,430.50 : x
  2. Step 2: Convert to fraction form
    300,030.90/413,847.54 = 192,430.50/x
  3. Step 3: Cross multiply
    300,030.90x = 413,847.54 × 192,430.50
  4. Step 4: Simplify right side
    300,030.90x = 79,636,889,045.97
  5. Step 5: Solve for x
    x = 79,636,889,045.97/300,030.90
  6. Step 6: Final answer
    x = 265,428.96

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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.