Finding the Fourth Proportional to 266,657.97, 368,080.61 and 153,525.81
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Solution
The fourth proportional to 266,657.97, 368,080.61 and 153,525.81 is: 211,918.94
Step by Step Solution
- Step 1: Write the proportion equation
266,657.97 : 368,080.61 = 153,525.81 : x - Step 2: Convert to fraction form
266,657.97/368,080.61 = 153,525.81/x - Step 3: Cross multiply
266,657.97x = 368,080.61 × 153,525.81 - Step 4: Simplify right side
266,657.97x = 56,509,872,338.96 - Step 5: Solve for x
x = 56,509,872,338.96/266,657.97 - Step 6: Final answer
x = 211,918.94
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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.