Finding the Fourth Proportional to 257,669.49, 355,350.93 and 160,882.09
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Solution
The fourth proportional to 257,669.49, 355,350.93 and 160,882.09 is: 221,871.82
Step by Step Solution
- Step 1: Write the proportion equation
257,669.49 : 355,350.93 = 160,882.09 : x - Step 2: Convert to fraction form
257,669.49/355,350.93 = 160,882.09/x - Step 3: Cross multiply
257,669.49x = 355,350.93 × 160,882.09 - Step 4: Simplify right side
257,669.49x = 57,169,598,810.16 - Step 5: Solve for x
x = 57,169,598,810.16/257,669.49 - Step 6: Final answer
x = 221,871.82
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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.