Home / 419,036.04-578,258.64-228,045.33

Finding the Fourth Proportional to 419,036.04, 578,258.64 and 228,045.33

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Solution

The fourth proportional to 419,036.04, 578,258.64 and 228,045.33 is: 314,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,036.04 : 578,258.64 = 228,045.33 : x
  2. Step 2: Convert to fraction form
    419,036.04/578,258.64 = 228,045.33/x
  3. Step 3: Cross multiply
    419,036.04x = 578,258.64 × 228,045.33
  4. Step 4: Simplify right side
    419,036.04x = 131,869,182,384.15
  5. Step 5: Solve for x
    x = 131,869,182,384.15/419,036.04
  6. Step 6: Final answer
    x = 314,696.52

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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.