Finding the Fourth Proportional to 319,197.11, 440,495.09 and 175,962.29
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Solution
The fourth proportional to 319,197.11, 440,495.09 and 175,962.29 is: 242,829.65
Step by Step Solution
- Step 1: Write the proportion equation
319,197.11 : 440,495.09 = 175,962.29 : x - Step 2: Convert to fraction form
319,197.11/440,495.09 = 175,962.29/x - Step 3: Cross multiply
319,197.11x = 440,495.09 × 175,962.29 - Step 4: Simplify right side
319,197.11x = 77,510,521,687.87 - Step 5: Solve for x
x = 77,510,521,687.87/319,197.11 - Step 6: Final answer
x = 242,829.65
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1.5x scale
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.