Finding the Fourth Proportional to 403,894.49, 557,367.08 and 220,134.65
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Solution
The fourth proportional to 403,894.49, 557,367.08 and 220,134.65 is: 303,781.82
Step by Step Solution
- Step 1: Write the proportion equation
403,894.49 : 557,367.08 = 220,134.65 : x - Step 2: Convert to fraction form
403,894.49/557,367.08 = 220,134.65/x - Step 3: Cross multiply
403,894.49x = 557,367.08 × 220,134.65 - Step 4: Simplify right side
403,894.49x = 122,695,803,189.81 - Step 5: Solve for x
x = 122,695,803,189.81/403,894.49 - Step 6: Final answer
x = 303,781.82
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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.