Finding the Fourth Proportional to 416,658.66, 575,024.34 and 235,403.88
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Solution
The fourth proportional to 416,658.66, 575,024.34 and 235,403.88 is: 324,877.35
Step by Step Solution
- Step 1: Write the proportion equation
416,658.66 : 575,024.34 = 235,403.88 : x - Step 2: Convert to fraction form
416,658.66/575,024.34 = 235,403.88/x - Step 3: Cross multiply
416,658.66x = 575,024.34 × 235,403.88 - Step 4: Simplify right side
416,658.66x = 135,362,960,730.44 - Step 5: Solve for x
x = 135,362,960,730.44/416,658.66 - Step 6: Final answer
x = 324,877.35
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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.