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Finding the Fourth Proportional to 368,127, 508,019.58 and 222,930.18

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Solution

The fourth proportional to 368,127, 508,019.58 and 222,930.18 is: 307,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,127 : 508,019.58 = 222,930.18 : x
  2. Step 2: Convert to fraction form
    368,127/508,019.58 = 222,930.18/x
  3. Step 3: Cross multiply
    368,127x = 508,019.58 × 222,930.18
  4. Step 4: Simplify right side
    368,127x = 113,252,896,412.92
  5. Step 5: Solve for x
    x = 113,252,896,412.92/368,127
  6. Step 6: Final answer
    x = 307,646.26

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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.