Finding the Fourth Proportional to 307,642.24, 424,545.50 and 171,674.74
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Solution
The fourth proportional to 307,642.24, 424,545.50 and 171,674.74 is: 236,910.70
Step by Step Solution
- Step 1: Write the proportion equation
307,642.24 : 424,545.50 = 171,674.74 : x - Step 2: Convert to fraction form
307,642.24/424,545.50 = 171,674.74/x - Step 3: Cross multiply
307,642.24x = 424,545.50 × 171,674.74 - Step 4: Simplify right side
307,642.24x = 72,883,738,330.67 - Step 5: Solve for x
x = 72,883,738,330.67/307,642.24 - Step 6: Final answer
x = 236,910.70
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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.