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Finding the Fourth Proportional to 291,058.95, 436,661.07 and 101,522.05

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Solution

The fourth proportional to 291,058.95, 436,661.07 and 101,522.05 is: 152,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,058.95 : 436,661.07 = 101,522.05 : x
  2. Step 2: Convert to fraction form
    291,058.95/436,661.07 = 101,522.05/x
  3. Step 3: Cross multiply
    291,058.95x = 436,661.07 × 101,522.05
  4. Step 4: Simplify right side
    291,058.95x = 44,330,724,798.29
  5. Step 5: Solve for x
    x = 44,330,724,798.29/291,058.95
  6. Step 6: Final answer
    x = 152,308.41

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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.