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Finding the Fourth Proportional to 423,178.40, 583,996.93 and 232,191.74

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Solution

The fourth proportional to 423,178.40, 583,996.93 and 232,191.74 is: 320,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,178.40 : 583,996.93 = 232,191.74 : x
  2. Step 2: Convert to fraction form
    423,178.40/583,996.93 = 232,191.74/x
  3. Step 3: Cross multiply
    423,178.40x = 583,996.93 × 232,191.74
  4. Step 4: Simplify right side
    423,178.40x = 135,599,263,331.36
  5. Step 5: Solve for x
    x = 135,599,263,331.36/423,178.40
  6. Step 6: Final answer
    x = 320,430.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.