Finding the Fourth Proportional to 248,335.50, 342,702.99 and 135,159.06
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Solution
The fourth proportional to 248,335.50, 342,702.99 and 135,159.06 is: 186,519.50
Step by Step Solution
- Step 1: Write the proportion equation
248,335.50 : 342,702.99 = 135,159.06 : x - Step 2: Convert to fraction form
248,335.50/342,702.99 = 135,159.06/x - Step 3: Cross multiply
248,335.50x = 342,702.99 × 135,159.06 - Step 4: Simplify right side
248,335.50x = 46,319,413,987.59 - Step 5: Solve for x
x = 46,319,413,987.59/248,335.50 - Step 6: Final answer
x = 186,519.50
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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.