Finding the Fourth Proportional to 421,372.97, 581,352.25 and 239,956.26
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Solution
The fourth proportional to 421,372.97, 581,352.25 and 239,956.26 is: 331,058.52
Step by Step Solution
- Step 1: Write the proportion equation
421,372.97 : 581,352.25 = 239,956.26 : x - Step 2: Convert to fraction form
421,372.97/581,352.25 = 239,956.26/x - Step 3: Cross multiply
421,372.97x = 581,352.25 × 239,956.26 - Step 4: Simplify right side
421,372.97x = 139,499,111,652.59 - Step 5: Solve for x
x = 139,499,111,652.59/421,372.97 - Step 6: Final answer
x = 331,058.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.