Finding the Fourth Proportional to 912,612.55, 1,368,814.23 and 238,758.88
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Solution
The fourth proportional to 912,612.55, 1,368,814.23 and 238,758.88 is: 358,110.95
Step by Step Solution
- Step 1: Write the proportion equation
912,612.55 : 1,368,814.23 = 238,758.88 : x - Step 2: Convert to fraction form
912,612.55/1,368,814.23 = 238,758.88/x - Step 3: Cross multiply
912,612.55x = 1,368,814.23 × 238,758.88 - Step 4: Simplify right side
912,612.55x = 326,816,545,638.79 - Step 5: Solve for x
x = 326,816,545,638.79/912,612.55 - Step 6: Final answer
x = 358,110.95
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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.