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Finding the Fourth Proportional to 291,932, 437,898 and 70,316

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Solution

The fourth proportional to 291,932, 437,898 and 70,316 is: 105,474

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,932 : 437,898 = 70,316 : x
  2. Step 2: Convert to fraction form
    291,932/437,898 = 70,316/x
  3. Step 3: Cross multiply
    291,932x = 437,898 × 70,316
  4. Step 4: Simplify right side
    291,932x = 30,791,235,768
  5. Step 5: Solve for x
    x = 30,791,235,768/291,932
  6. Step 6: Final answer
    x = 105,474

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.