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Finding the Fourth Proportional to 369,550.80, 554,544.90 and 243,555.30

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Solution

The fourth proportional to 369,550.80, 554,544.90 and 243,555.30 is: 365,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,550.80 : 554,544.90 = 243,555.30 : x
  2. Step 2: Convert to fraction form
    369,550.80/554,544.90 = 243,555.30/x
  3. Step 3: Cross multiply
    369,550.80x = 554,544.90 × 243,555.30
  4. Step 4: Simplify right side
    369,550.80x = 135,062,349,482.97
  5. Step 5: Solve for x
    x = 135,062,349,482.97/369,550.80
  6. Step 6: Final answer
    x = 365,477.09

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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.