Home / 285,416.02-393,874.41-158,088.94

Finding the Fourth Proportional to 285,416.02, 393,874.41 and 158,088.94

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Solution

The fourth proportional to 285,416.02, 393,874.41 and 158,088.94 is: 218,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,416.02 : 393,874.41 = 158,088.94 : x
  2. Step 2: Convert to fraction form
    285,416.02/393,874.41 = 158,088.94/x
  3. Step 3: Cross multiply
    285,416.02x = 393,874.41 × 158,088.94
  4. Step 4: Simplify right side
    285,416.02x = 62,267,187,970.03
  5. Step 5: Solve for x
    x = 62,267,187,970.03/285,416.02
  6. Step 6: Final answer
    x = 218,162.90

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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.