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Finding the Fourth Proportional to 360,477.90, 497,439.54 and 199,323.36

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Solution

The fourth proportional to 360,477.90, 497,439.54 and 199,323.36 is: 275,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,477.90 : 497,439.54 = 199,323.36 : x
  2. Step 2: Convert to fraction form
    360,477.90/497,439.54 = 199,323.36/x
  3. Step 3: Cross multiply
    360,477.90x = 497,439.54 × 199,323.36
  4. Step 4: Simplify right side
    360,477.90x = 99,151,320,509.65
  5. Step 5: Solve for x
    x = 99,151,320,509.65/360,477.90
  6. Step 6: Final answer
    x = 275,055.20

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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.