Finding the Fourth Proportional to 351,482.79, 527,115.14 and 126,814.11
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Solution
The fourth proportional to 351,482.79, 527,115.14 and 126,814.11 is: 190,181.82
Step by Step Solution
- Step 1: Write the proportion equation
351,482.79 : 527,115.14 = 126,814.11 : x - Step 2: Convert to fraction form
351,482.79/527,115.14 = 126,814.11/x - Step 3: Cross multiply
351,482.79x = 527,115.14 × 126,814.11 - Step 4: Simplify right side
351,482.79x = 66,845,637,346.63 - Step 5: Solve for x
x = 66,845,637,346.63/351,482.79 - Step 6: Final answer
x = 190,181.82
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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.