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Finding the Fourth Proportional to 291,390.04, 437,085.08 and 141,501.87

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Solution

The fourth proportional to 291,390.04, 437,085.08 and 141,501.87 is: 212,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,390.04 : 437,085.08 = 141,501.87 : x
  2. Step 2: Convert to fraction form
    291,390.04/437,085.08 = 141,501.87/x
  3. Step 3: Cross multiply
    291,390.04x = 437,085.08 × 141,501.87
  4. Step 4: Simplify right side
    291,390.04x = 61,848,355,992.22
  5. Step 5: Solve for x
    x = 61,848,355,992.22/291,390.04
  6. Step 6: Final answer
    x = 212,252.81

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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.