Finding the Fourth Proportional to 497,965.16, 687,245.14 and 304,486.26
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Solution
The fourth proportional to 497,965.16, 687,245.14 and 304,486.26 is: 420,223.59
Step by Step Solution
- Step 1: Write the proportion equation
497,965.16 : 687,245.14 = 304,486.26 : x - Step 2: Convert to fraction form
497,965.16/687,245.14 = 304,486.26/x - Step 3: Cross multiply
497,965.16x = 687,245.14 × 304,486.26 - Step 4: Simplify right side
497,965.16x = 209,256,705,339.55 - Step 5: Solve for x
x = 209,256,705,339.55/497,965.16 - Step 6: Final answer
x = 420,223.59
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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.