Home / 352,582.02-486,639.90-216,687.24

Finding the Fourth Proportional to 352,582.02, 486,639.90 and 216,687.24

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Solution

The fourth proportional to 352,582.02, 486,639.90 and 216,687.24 is: 299,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,582.02 : 486,639.90 = 216,687.24 : x
  2. Step 2: Convert to fraction form
    352,582.02/486,639.90 = 216,687.24/x
  3. Step 3: Cross multiply
    352,582.02x = 486,639.90 × 216,687.24
  4. Step 4: Simplify right side
    352,582.02x = 105,448,656,804.88
  5. Step 5: Solve for x
    x = 105,448,656,804.88/352,582.02
  6. Step 6: Final answer
    x = 299,075.54

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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.