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Finding the Fourth Proportional to 243,001.00, 335,341.59 and 135,571.05

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Solution

The fourth proportional to 243,001.00, 335,341.59 and 135,571.05 is: 187,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,001.00 : 335,341.59 = 135,571.05 : x
  2. Step 2: Convert to fraction form
    243,001.00/335,341.59 = 135,571.05/x
  3. Step 3: Cross multiply
    243,001.00x = 335,341.59 × 135,571.05
  4. Step 4: Simplify right side
    243,001.00x = 45,462,610,787.11
  5. Step 5: Solve for x
    x = 45,462,610,787.11/243,001.00
  6. Step 6: Final answer
    x = 187,088.17

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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.