Home / 366,822.60-506,220.36-221,608.20

Finding the Fourth Proportional to 366,822.60, 506,220.36 and 221,608.20

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Solution

The fourth proportional to 366,822.60, 506,220.36 and 221,608.20 is: 305,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,822.60 : 506,220.36 = 221,608.20 : x
  2. Step 2: Convert to fraction form
    366,822.60/506,220.36 = 221,608.20/x
  3. Step 3: Cross multiply
    366,822.60x = 506,220.36 × 221,608.20
  4. Step 4: Simplify right side
    366,822.60x = 112,182,582,782.95
  5. Step 5: Solve for x
    x = 112,182,582,782.95/366,822.60
  6. Step 6: Final answer
    x = 305,822.44

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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.