Finding the Fourth Proportional to 266,657.42, 368,009.94 and 151,971.14
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Solution
The fourth proportional to 266,657.42, 368,009.94 and 151,971.14 is: 209,733.11
Step by Step Solution
- Step 1: Write the proportion equation
266,657.42 : 368,009.94 = 151,971.14 : x - Step 2: Convert to fraction form
266,657.42/368,009.94 = 151,971.14/x - Step 3: Cross multiply
266,657.42x = 368,009.94 × 151,971.14 - Step 4: Simplify right side
266,657.42x = 55,926,890,113.13 - Step 5: Solve for x
x = 55,926,890,113.13/266,657.42 - Step 6: Final answer
x = 209,733.11
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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.