Home / 145,015.25-217,497.80-38,400.74

Finding the Fourth Proportional to 145,015.25, 217,497.80 and 38,400.74

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Solution

The fourth proportional to 145,015.25, 217,497.80 and 38,400.74 is: 57,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,015.25 : 217,497.80 = 38,400.74 : x
  2. Step 2: Convert to fraction form
    145,015.25/217,497.80 = 38,400.74/x
  3. Step 3: Cross multiply
    145,015.25x = 217,497.80 × 38,400.74
  4. Step 4: Simplify right side
    145,015.25x = 8,352,076,276.37
  5. Step 5: Solve for x
    x = 8,352,076,276.37/145,015.25
  6. Step 6: Final answer
    x = 57,594.47

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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.