Finding the Fourth Proportional to 319,587.10, 479,043.63 and 106,298.06
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Solution
The fourth proportional to 319,587.10, 479,043.63 and 106,298.06 is: 159,334.99
Step by Step Solution
- Step 1: Write the proportion equation
319,587.10 : 479,043.63 = 106,298.06 : x - Step 2: Convert to fraction form
319,587.10/479,043.63 = 106,298.06/x - Step 3: Cross multiply
319,587.10x = 479,043.63 × 106,298.06 - Step 4: Simplify right side
319,587.10x = 50,921,406,129.14 - Step 5: Solve for x
x = 50,921,406,129.14/319,587.10 - Step 6: Final answer
x = 159,334.99
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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.