Finding the Fourth Proportional to 292,315.68, 438,444.79 and 198,150.75
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Solution
The fourth proportional to 292,315.68, 438,444.79 and 198,150.75 is: 297,206.65
Step by Step Solution
- Step 1: Write the proportion equation
292,315.68 : 438,444.79 = 198,150.75 : x - Step 2: Convert to fraction form
292,315.68/438,444.79 = 198,150.75/x - Step 3: Cross multiply
292,315.68x = 438,444.79 × 198,150.75 - Step 4: Simplify right side
292,315.68x = 86,878,163,476.72 - Step 5: Solve for x
x = 86,878,163,476.72/292,315.68 - Step 6: Final answer
x = 297,206.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.