Home / 370,402.02-555,221.66-145,671.35

Finding the Fourth Proportional to 370,402.02, 555,221.66 and 145,671.35

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Solution

The fourth proportional to 370,402.02, 555,221.66 and 145,671.35 is: 218,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,402.02 : 555,221.66 = 145,671.35 : x
  2. Step 2: Convert to fraction form
    370,402.02/555,221.66 = 145,671.35/x
  3. Step 3: Cross multiply
    370,402.02x = 555,221.66 × 145,671.35
  4. Step 4: Simplify right side
    370,402.02x = 80,879,885,256.98
  5. Step 5: Solve for x
    x = 80,879,885,256.98/370,402.02
  6. Step 6: Final answer
    x = 218,357.03

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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.