Finding the Fourth Proportional to 354,586.08, 489,341.12 and 193,449.99
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Solution
The fourth proportional to 354,586.08, 489,341.12 and 193,449.99 is: 266,967.71
Step by Step Solution
- Step 1: Write the proportion equation
354,586.08 : 489,341.12 = 193,449.99 : x - Step 2: Convert to fraction form
354,586.08/489,341.12 = 193,449.99/x - Step 3: Cross multiply
354,586.08x = 489,341.12 × 193,449.99 - Step 4: Simplify right side
354,586.08x = 94,663,033,803.34 - Step 5: Solve for x
x = 94,663,033,803.34/354,586.08 - Step 6: Final answer
x = 266,967.71
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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.