Finding the Fourth Proportional to 372,841.60, 514,545.60 and 221,918.08
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Solution
The fourth proportional to 372,841.60, 514,545.60 and 221,918.08 is: 306,261.35
Step by Step Solution
- Step 1: Write the proportion equation
372,841.60 : 514,545.60 = 221,918.08 : x - Step 2: Convert to fraction form
372,841.60/514,545.60 = 221,918.08/x - Step 3: Cross multiply
372,841.60x = 514,545.60 × 221,918.08 - Step 4: Simplify right side
372,841.60x = 114,186,971,624.45 - Step 5: Solve for x
x = 114,186,971,624.45/372,841.60 - Step 6: Final answer
x = 306,261.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.