Finding the Fourth Proportional to 389,398.08, 537,612.62 and 298,579.58
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Solution
The fourth proportional to 389,398.08, 537,612.62 and 298,579.58 is: 412,226.35
Step by Step Solution
- Step 1: Write the proportion equation
389,398.08 : 537,612.62 = 298,579.58 : x - Step 2: Convert to fraction form
389,398.08/537,612.62 = 298,579.58/x - Step 3: Cross multiply
389,398.08x = 537,612.62 × 298,579.58 - Step 4: Simplify right side
389,398.08x = 160,520,150,282.30 - Step 5: Solve for x
x = 160,520,150,282.30/389,398.08 - Step 6: Final answer
x = 412,226.35
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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.