Finding the Fourth Proportional to 353,228.46, 487,468.07 and 202,354.62
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Solution
The fourth proportional to 353,228.46, 487,468.07 and 202,354.62 is: 279,256.71
Step by Step Solution
- Step 1: Write the proportion equation
353,228.46 : 487,468.07 = 202,354.62 : x - Step 2: Convert to fraction form
353,228.46/487,468.07 = 202,354.62/x - Step 3: Cross multiply
353,228.46x = 487,468.07 × 202,354.62 - Step 4: Simplify right side
353,228.46x = 98,641,416,066.98 - Step 5: Solve for x
x = 98,641,416,066.98/353,228.46 - Step 6: Final answer
x = 279,256.71
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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.