Finding the Fourth Proportional to 376,926.65, 520,152.74 and 207,157.13
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Solution
The fourth proportional to 376,926.65, 520,152.74 and 207,157.13 is: 285,873.52
Step by Step Solution
- Step 1: Write the proportion equation
376,926.65 : 520,152.74 = 207,157.13 : x - Step 2: Convert to fraction form
376,926.65/520,152.74 = 207,157.13/x - Step 3: Cross multiply
376,926.65x = 520,152.74 × 207,157.13 - Step 4: Simplify right side
376,926.65x = 107,753,348,780.04 - Step 5: Solve for x
x = 107,753,348,780.04/376,926.65 - Step 6: Final answer
x = 285,873.52
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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.