Finding the Fourth Proportional to 219,345.95, 302,691.84 and 122,550.55
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Solution
The fourth proportional to 219,345.95, 302,691.84 and 122,550.55 is: 169,116.65
Step by Step Solution
- Step 1: Write the proportion equation
219,345.95 : 302,691.84 = 122,550.55 : x - Step 2: Convert to fraction form
219,345.95/302,691.84 = 122,550.55/x - Step 3: Cross multiply
219,345.95x = 302,691.84 × 122,550.55 - Step 4: Simplify right side
219,345.95x = 37,095,051,472.51 - Step 5: Solve for x
x = 37,095,051,472.51/219,345.95 - Step 6: Final answer
x = 169,116.65
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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.