Finding the Fourth Proportional to 306,746.63, 423,200.76 and 177,614.61
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Solution
The fourth proportional to 306,746.63, 423,200.76 and 177,614.61 is: 245,044.70
Step by Step Solution
- Step 1: Write the proportion equation
306,746.63 : 423,200.76 = 177,614.61 : x - Step 2: Convert to fraction form
306,746.63/423,200.76 = 177,614.61/x - Step 3: Cross multiply
306,746.63x = 423,200.76 × 177,614.61 - Step 4: Simplify right side
306,746.63x = 75,166,637,273.05 - Step 5: Solve for x
x = 75,166,637,273.05/306,746.63 - Step 6: Final answer
x = 245,044.70
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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.