Finding the Fourth Proportional to 646,418.76, 969,553.98 and 247,050.66
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Solution
The fourth proportional to 646,418.76, 969,553.98 and 247,050.66 is: 370,547.65
Step by Step Solution
- Step 1: Write the proportion equation
646,418.76 : 969,553.98 = 247,050.66 : x - Step 2: Convert to fraction form
646,418.76/969,553.98 = 247,050.66/x - Step 3: Cross multiply
646,418.76x = 969,553.98 × 247,050.66 - Step 4: Simplify right side
646,418.76x = 239,528,950,664.63 - Step 5: Solve for x
x = 239,528,950,664.63/646,418.76 - Step 6: Final answer
x = 370,547.65
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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.