Finding the Fourth Proportional to 291,364.13, 437,045.56 and 91,701.97
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Solution
The fourth proportional to 291,364.13, 437,045.56 and 91,701.97 is: 137,552.75
Step by Step Solution
- Step 1: Write the proportion equation
291,364.13 : 437,045.56 = 91,701.97 : x - Step 2: Convert to fraction form
291,364.13/437,045.56 = 91,701.97/x - Step 3: Cross multiply
291,364.13x = 437,045.56 × 91,701.97 - Step 4: Simplify right side
291,364.13x = 40,077,937,509.88 - Step 5: Solve for x
x = 40,077,937,509.88/291,364.13 - Step 6: Final answer
x = 137,552.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.