Finding the Fourth Proportional to 220,305.95, 304,024.05 and 119,703.95
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Solution
The fourth proportional to 220,305.95, 304,024.05 and 119,703.95 is: 165,192.45
Step by Step Solution
- Step 1: Write the proportion equation
220,305.95 : 304,024.05 = 119,703.95 : x - Step 2: Convert to fraction form
220,305.95/304,024.05 = 119,703.95/x - Step 3: Cross multiply
220,305.95x = 304,024.05 × 119,703.95 - Step 4: Simplify right side
220,305.95x = 36,392,878,159.88 - Step 5: Solve for x
x = 36,392,878,159.88/220,305.95 - Step 6: Final answer
x = 165,192.45
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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.