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Finding the Fourth Proportional to 356,527.58, 534,431.43 and 223,501.28

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Solution

The fourth proportional to 356,527.58, 534,431.43 and 223,501.28 is: 335,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,527.58 : 534,431.43 = 223,501.28 : x
  2. Step 2: Convert to fraction form
    356,527.58/534,431.43 = 223,501.28/x
  3. Step 3: Cross multiply
    356,527.58x = 534,431.43 × 223,501.28
  4. Step 4: Simplify right side
    356,527.58x = 119,446,106,005.07
  5. Step 5: Solve for x
    x = 119,446,106,005.07/356,527.58
  6. Step 6: Final answer
    x = 335,026.28

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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.