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Finding the Fourth Proportional to 356,525.40, 492,005.05 and 195,384.17

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Solution

The fourth proportional to 356,525.40, 492,005.05 and 195,384.17 is: 269,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,525.40 : 492,005.05 = 195,384.17 : x
  2. Step 2: Convert to fraction form
    356,525.40/492,005.05 = 195,384.17/x
  3. Step 3: Cross multiply
    356,525.40x = 492,005.05 × 195,384.17
  4. Step 4: Simplify right side
    356,525.40x = 96,129,997,403.12
  5. Step 5: Solve for x
    x = 96,129,997,403.12/356,525.40
  6. Step 6: Final answer
    x = 269,630.15

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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.