Finding the Fourth Proportional to 153,117.48, 211,277.70 and 92,677.80
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Solution
The fourth proportional to 153,117.48, 211,277.70 and 92,677.80 is: 127,880.58
Step by Step Solution
- Step 1: Write the proportion equation
153,117.48 : 211,277.70 = 92,677.80 : x - Step 2: Convert to fraction form
153,117.48/211,277.70 = 92,677.80/x - Step 3: Cross multiply
153,117.48x = 211,277.70 × 92,677.80 - Step 4: Simplify right side
153,117.48x = 19,580,752,425.06 - Step 5: Solve for x
x = 19,580,752,425.06/153,117.48 - Step 6: Final answer
x = 127,880.58
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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.