Finding the Fourth Proportional to 153,117.95, 211,252.19 and 92,665.62
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Solution
The fourth proportional to 153,117.95, 211,252.19 and 92,665.62 is: 127,847.95
Step by Step Solution
- Step 1: Write the proportion equation
153,117.95 : 211,252.19 = 92,665.62 : x - Step 2: Convert to fraction form
153,117.95/211,252.19 = 92,665.62/x - Step 3: Cross multiply
153,117.95x = 211,252.19 × 92,665.62 - Step 4: Simplify right side
153,117.95x = 19,575,814,699.38 - Step 5: Solve for x
x = 19,575,814,699.38/153,117.95 - Step 6: Final answer
x = 127,847.95
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1.5x scale
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.