Home / 366,826.81-506,226.14-221,612.40

Finding the Fourth Proportional to 366,826.81, 506,226.14 and 221,612.40

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Solution

The fourth proportional to 366,826.81, 506,226.14 and 221,612.40 is: 305,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,826.81 : 506,226.14 = 221,612.40 : x
  2. Step 2: Convert to fraction form
    366,826.81/506,226.14 = 221,612.40/x
  3. Step 3: Cross multiply
    366,826.81x = 506,226.14 × 221,612.40
  4. Step 4: Simplify right side
    366,826.81x = 112,185,986,188.94
  5. Step 5: Solve for x
    x = 112,185,986,188.94/366,826.81
  6. Step 6: Final answer
    x = 305,828.21

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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.