Finding the Fourth Proportional to 921,479.36, 1,382,125.61 and 247,473.09
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Solution
The fourth proportional to 921,479.36, 1,382,125.61 and 247,473.09 is: 371,184.54
Step by Step Solution
- Step 1: Write the proportion equation
921,479.36 : 1,382,125.61 = 247,473.09 : x - Step 2: Convert to fraction form
921,479.36/1,382,125.61 = 247,473.09/x - Step 3: Cross multiply
921,479.36x = 1,382,125.61 × 247,473.09 - Step 4: Simplify right side
921,479.36x = 342,038,894,237.47 - Step 5: Solve for x
x = 342,038,894,237.47/921,479.36 - Step 6: Final answer
x = 371,184.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.