Finding the Fourth Proportional to 487,277.41, 731,020.43 and 145,747.63
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Solution
The fourth proportional to 487,277.41, 731,020.43 and 145,747.63 is: 218,652.65
Step by Step Solution
- Step 1: Write the proportion equation
487,277.41 : 731,020.43 = 145,747.63 : x - Step 2: Convert to fraction form
487,277.41/731,020.43 = 145,747.63/x - Step 3: Cross multiply
487,277.41x = 731,020.43 × 145,747.63 - Step 4: Simplify right side
487,277.41x = 106,544,495,154.08 - Step 5: Solve for x
x = 106,544,495,154.08/487,277.41 - Step 6: Final answer
x = 218,652.65
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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.