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Finding the Fourth Proportional to 473,501.25, 653,427.81 and 258,641.37

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Solution

The fourth proportional to 473,501.25, 653,427.81 and 258,641.37 is: 356,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,501.25 : 653,427.81 = 258,641.37 : x
  2. Step 2: Convert to fraction form
    473,501.25/653,427.81 = 258,641.37/x
  3. Step 3: Cross multiply
    473,501.25x = 653,427.81 × 258,641.37
  4. Step 4: Simplify right side
    473,501.25x = 169,003,463,974.50
  5. Step 5: Solve for x
    x = 169,003,463,974.50/473,501.25
  6. Step 6: Final answer
    x = 356,922.95

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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.