Home / 370,127.41-555,419.54-145,448.40

Finding the Fourth Proportional to 370,127.41, 555,419.54 and 145,448.40

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Solution

The fourth proportional to 370,127.41, 555,419.54 and 145,448.40 is: 218,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,127.41 : 555,419.54 = 145,448.40 : x
  2. Step 2: Convert to fraction form
    370,127.41/555,419.54 = 145,448.40/x
  3. Step 3: Cross multiply
    370,127.41x = 555,419.54 × 145,448.40
  4. Step 4: Simplify right side
    370,127.41x = 80,784,883,421.74
  5. Step 5: Solve for x
    x = 80,784,883,421.74/370,127.41
  6. Step 6: Final answer
    x = 218,262.36

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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.