Finding the Fourth Proportional to 563,665.68, 777,868.68 and 305,551.08
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Solution
The fourth proportional to 563,665.68, 777,868.68 and 305,551.08 is: 421,665.93
Step by Step Solution
- Step 1: Write the proportion equation
563,665.68 : 777,868.68 = 305,551.08 : x - Step 2: Convert to fraction form
563,665.68/777,868.68 = 305,551.08/x - Step 3: Cross multiply
563,665.68x = 777,868.68 × 305,551.08 - Step 4: Simplify right side
563,665.68x = 237,678,615,272.17 - Step 5: Solve for x
x = 237,678,615,272.17/563,665.68 - Step 6: Final answer
x = 421,665.93
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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.