Finding the Fourth Proportional to 353,058.48, 487,238.49 and 217,099.98
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Solution
The fourth proportional to 353,058.48, 487,238.49 and 217,099.98 is: 299,608.91
Step by Step Solution
- Step 1: Write the proportion equation
353,058.48 : 487,238.49 = 217,099.98 : x - Step 2: Convert to fraction form
353,058.48/487,238.49 = 217,099.98/x - Step 3: Cross multiply
353,058.48x = 487,238.49 × 217,099.98 - Step 4: Simplify right side
353,058.48x = 105,779,466,434.23 - Step 5: Solve for x
x = 105,779,466,434.23/353,058.48 - Step 6: Final answer
x = 299,608.91
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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.