Finding the Fourth Proportional to 291,341.16, 436,648.74 and 104,146.92
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Solution
The fourth proportional to 291,341.16, 436,648.74 and 104,146.92 is: 156,090.62
Step by Step Solution
- Step 1: Write the proportion equation
291,341.16 : 436,648.74 = 104,146.92 : x - Step 2: Convert to fraction form
291,341.16/436,648.74 = 104,146.92/x - Step 3: Cross multiply
291,341.16x = 436,648.74 × 104,146.92 - Step 4: Simplify right side
291,341.16x = 45,475,621,392.88 - Step 5: Solve for x
x = 45,475,621,392.88/291,341.16 - Step 6: Final answer
x = 156,090.62
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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.