Home / 370,292.80-555,441.28-89,810.24

Finding the Fourth Proportional to 370,292.80, 555,441.28 and 89,810.24

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Solution

The fourth proportional to 370,292.80, 555,441.28 and 89,810.24 is: 134,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,292.80 : 555,441.28 = 89,810.24 : x
  2. Step 2: Convert to fraction form
    370,292.80/555,441.28 = 89,810.24/x
  3. Step 3: Cross multiply
    370,292.80x = 555,441.28 × 89,810.24
  4. Step 4: Simplify right side
    370,292.80x = 49,884,314,662.71
  5. Step 5: Solve for x
    x = 49,884,314,662.71/370,292.80
  6. Step 6: Final answer
    x = 134,715.86

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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.