Home / 403,880.40-557,329.80-222,582.24

Finding the Fourth Proportional to 403,880.40, 557,329.80 and 222,582.24

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Solution

The fourth proportional to 403,880.40, 557,329.80 and 222,582.24 is: 307,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,880.40 : 557,329.80 = 222,582.24 : x
  2. Step 2: Convert to fraction form
    403,880.40/557,329.80 = 222,582.24/x
  3. Step 3: Cross multiply
    403,880.40x = 557,329.80 × 222,582.24
  4. Step 4: Simplify right side
    403,880.40x = 124,051,715,302.75
  5. Step 5: Solve for x
    x = 124,051,715,302.75/403,880.40
  6. Step 6: Final answer
    x = 307,149.63

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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.