Home / 370,214.40-555,315.12-145,598.16

Finding the Fourth Proportional to 370,214.40, 555,315.12 and 145,598.16

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Solution

The fourth proportional to 370,214.40, 555,315.12 and 145,598.16 is: 218,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,214.40 : 555,315.12 = 145,598.16 : x
  2. Step 2: Convert to fraction form
    370,214.40/555,315.12 = 145,598.16/x
  3. Step 3: Cross multiply
    370,214.40x = 555,315.12 × 145,598.16
  4. Step 4: Simplify right side
    370,214.40x = 80,852,859,692.18
  5. Step 5: Solve for x
    x = 80,852,859,692.18/370,214.40
  6. Step 6: Final answer
    x = 218,394.69

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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.