Finding the Fourth Proportional to 325,436.08, 488,225.52 and 97,721.68
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Solution
The fourth proportional to 325,436.08, 488,225.52 and 97,721.68 is: 146,603.96
Step by Step Solution
- Step 1: Write the proportion equation
325,436.08 : 488,225.52 = 97,721.68 : x - Step 2: Convert to fraction form
325,436.08/488,225.52 = 97,721.68/x - Step 3: Cross multiply
325,436.08x = 488,225.52 × 97,721.68 - Step 4: Simplify right side
325,436.08x = 47,710,218,033.27 - Step 5: Solve for x
x = 47,710,218,033.27/325,436.08 - Step 6: Final answer
x = 146,603.96
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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.