Finding the Fourth Proportional to 248,335.84, 342,702.48 and 135,159.52
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Solution
The fourth proportional to 248,335.84, 342,702.48 and 135,159.52 is: 186,519.60
Step by Step Solution
- Step 1: Write the proportion equation
248,335.84 : 342,702.48 = 135,159.52 : x - Step 2: Convert to fraction form
248,335.84/342,702.48 = 135,159.52/x - Step 3: Cross multiply
248,335.84x = 342,702.48 × 135,159.52 - Step 4: Simplify right side
248,335.84x = 46,319,502,699.61 - Step 5: Solve for x
x = 46,319,502,699.61/248,335.84 - Step 6: Final answer
x = 186,519.60
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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.