Finding the Fourth Proportional to 291,733.58, 437,678.16 and 104,746.70
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Solution
The fourth proportional to 291,733.58, 437,678.16 and 104,746.70 is: 157,147.98
Step by Step Solution
- Step 1: Write the proportion equation
291,733.58 : 437,678.16 = 104,746.70 : x - Step 2: Convert to fraction form
291,733.58/437,678.16 = 104,746.70/x - Step 3: Cross multiply
291,733.58x = 437,678.16 × 104,746.70 - Step 4: Simplify right side
291,733.58x = 45,845,342,922.07 - Step 5: Solve for x
x = 45,845,342,922.07/291,733.58 - Step 6: Final answer
x = 157,147.98
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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.