Finding the Fourth Proportional to 434,637.66, 599,658.21 and 253,308.09
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Solution
The fourth proportional to 434,637.66, 599,658.21 and 253,308.09 is: 349,482.55
Step by Step Solution
- Step 1: Write the proportion equation
434,637.66 : 599,658.21 = 253,308.09 : x - Step 2: Convert to fraction form
434,637.66/599,658.21 = 253,308.09/x - Step 3: Cross multiply
434,637.66x = 599,658.21 × 253,308.09 - Step 4: Simplify right side
434,637.66x = 151,898,275,827.92 - Step 5: Solve for x
x = 151,898,275,827.92/434,637.66 - Step 6: Final answer
x = 349,482.55
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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.