Finding the Fourth Proportional to 266,815.93, 368,205.86 and 145,957.18
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Solution
The fourth proportional to 266,815.93, 368,205.86 and 145,957.18 is: 201,420.84
Step by Step Solution
- Step 1: Write the proportion equation
266,815.93 : 368,205.86 = 145,957.18 : x - Step 2: Convert to fraction form
266,815.93/368,205.86 = 145,957.18/x - Step 3: Cross multiply
266,815.93x = 368,205.86 × 145,957.18 - Step 4: Simplify right side
266,815.93x = 53,742,288,985.07 - Step 5: Solve for x
x = 53,742,288,985.07/266,815.93 - Step 6: Final answer
x = 201,420.84
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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.