Home / 255,312.60-352,328.42-140,588.86

Finding the Fourth Proportional to 255,312.60, 352,328.42 and 140,588.86

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Solution

The fourth proportional to 255,312.60, 352,328.42 and 140,588.86 is: 194,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,312.60 : 352,328.42 = 140,588.86 : x
  2. Step 2: Convert to fraction form
    255,312.60/352,328.42 = 140,588.86/x
  3. Step 3: Cross multiply
    255,312.60x = 352,328.42 × 140,588.86
  4. Step 4: Simplify right side
    255,312.60x = 49,533,450,913.40
  5. Step 5: Solve for x
    x = 49,533,450,913.40/255,312.60
  6. Step 6: Final answer
    x = 194,010.99

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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.