Finding the Fourth Proportional to 614,234.18, 847,605.93 and 338,579.98
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Solution
The fourth proportional to 614,234.18, 847,605.93 and 338,579.98 is: 467,219.85
Step by Step Solution
- Step 1: Write the proportion equation
614,234.18 : 847,605.93 = 338,579.98 : x - Step 2: Convert to fraction form
614,234.18/847,605.93 = 338,579.98/x - Step 3: Cross multiply
614,234.18x = 847,605.93 × 338,579.98 - Step 4: Simplify right side
614,234.18x = 286,982,398,827.28 - Step 5: Solve for x
x = 286,982,398,827.28/614,234.18 - Step 6: Final answer
x = 467,219.85
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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.