Finding the Fourth Proportional to 354,510.20, 489,225.61 and 193,368.71
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Solution
The fourth proportional to 354,510.20, 489,225.61 and 193,368.71 is: 266,849.66
Step by Step Solution
- Step 1: Write the proportion equation
354,510.20 : 489,225.61 = 193,368.71 : x - Step 2: Convert to fraction form
354,510.20/489,225.61 = 193,368.71/x - Step 3: Cross multiply
354,510.20x = 489,225.61 × 193,368.71 - Step 4: Simplify right side
354,510.20x = 94,600,925,844.31 - Step 5: Solve for x
x = 94,600,925,844.31/354,510.20 - Step 6: Final answer
x = 266,849.66
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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.