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Finding the Fourth Proportional to 608,606.95, 912,993.50 and 253,537.93

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Solution

The fourth proportional to 608,606.95, 912,993.50 and 253,537.93 is: 380,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,606.95 : 912,993.50 = 253,537.93 : x
  2. Step 2: Convert to fraction form
    608,606.95/912,993.50 = 253,537.93/x
  3. Step 3: Cross multiply
    608,606.95x = 912,993.50 × 253,537.93
  4. Step 4: Simplify right side
    608,606.95x = 231,478,482,093.46
  5. Step 5: Solve for x
    x = 231,478,482,093.46/608,606.95
  6. Step 6: Final answer
    x = 380,341.50

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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.