Finding the Fourth Proportional to 697,221.84, 1,045,487.42 and 247,875.42
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Solution
The fourth proportional to 697,221.84, 1,045,487.42 and 247,875.42 is: 371,690.36
Step by Step Solution
- Step 1: Write the proportion equation
697,221.84 : 1,045,487.42 = 247,875.42 : x - Step 2: Convert to fraction form
697,221.84/1,045,487.42 = 247,875.42/x - Step 3: Cross multiply
697,221.84x = 1,045,487.42 × 247,875.42 - Step 4: Simplify right side
697,221.84x = 259,150,633,337.22 - Step 5: Solve for x
x = 259,150,633,337.22/697,221.84 - Step 6: Final answer
x = 371,690.36
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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.