Finding the Fourth Proportional to 506,226.68, 698,664.15 and 310,110.19
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Solution
The fourth proportional to 506,226.68, 698,664.15 and 310,110.19 is: 427,995.76
Step by Step Solution
- Step 1: Write the proportion equation
506,226.68 : 698,664.15 = 310,110.19 : x - Step 2: Convert to fraction form
506,226.68/698,664.15 = 310,110.19/x - Step 3: Cross multiply
506,226.68x = 698,664.15 × 310,110.19 - Step 4: Simplify right side
506,226.68x = 216,662,870,556.03 - Step 5: Solve for x
x = 216,662,870,556.03/506,226.68 - Step 6: Final answer
x = 427,995.76
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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.