Finding the Fourth Proportional to 493,597.19, 740,248.47 and 209,282.94
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Solution
The fourth proportional to 493,597.19, 740,248.47 and 209,282.94 is: 313,861.95
Step by Step Solution
- Step 1: Write the proportion equation
493,597.19 : 740,248.47 = 209,282.94 : x - Step 2: Convert to fraction form
493,597.19/740,248.47 = 209,282.94/x - Step 3: Cross multiply
493,597.19x = 740,248.47 × 209,282.94 - Step 4: Simplify right side
493,597.19x = 154,921,376,132.10 - Step 5: Solve for x
x = 154,921,376,132.10/493,597.19 - Step 6: Final answer
x = 313,861.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.