Finding the Fourth Proportional to 266,670.09, 368,097.39 and 153,537.93
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Solution
The fourth proportional to 266,670.09, 368,097.39 and 153,537.93 is: 211,935.70
Step by Step Solution
- Step 1: Write the proportion equation
266,670.09 : 368,097.39 = 153,537.93 : x - Step 2: Convert to fraction form
266,670.09/368,097.39 = 153,537.93/x - Step 3: Cross multiply
266,670.09x = 368,097.39 × 153,537.93 - Step 4: Simplify right side
266,670.09x = 56,516,911,299.00 - Step 5: Solve for x
x = 56,516,911,299.00/266,670.09 - Step 6: Final answer
x = 211,935.70
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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.