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Finding the Fourth Proportional to 190,283.60, 285,424.44 and 48,128.88

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Solution

The fourth proportional to 190,283.60, 285,424.44 and 48,128.88 is: 72,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,283.60 : 285,424.44 = 48,128.88 : x
  2. Step 2: Convert to fraction form
    190,283.60/285,424.44 = 48,128.88/x
  3. Step 3: Cross multiply
    190,283.60x = 285,424.44 × 48,128.88
  4. Step 4: Simplify right side
    190,283.60x = 13,737,158,621.83
  5. Step 5: Solve for x
    x = 13,737,158,621.83/190,283.60
  6. Step 6: Final answer
    x = 72,193.08

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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.