Finding the Fourth Proportional to 319,195.99, 478,863.96 and 94,574.08
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Solution
The fourth proportional to 319,195.99, 478,863.96 and 94,574.08 is: 141,881.85
Step by Step Solution
- Step 1: Write the proportion equation
319,195.99 : 478,863.96 = 94,574.08 : x - Step 2: Convert to fraction form
319,195.99/478,863.96 = 94,574.08/x - Step 3: Cross multiply
319,195.99x = 478,863.96 × 94,574.08 - Step 4: Simplify right side
319,195.99x = 45,288,118,462.16 - Step 5: Solve for x
x = 45,288,118,462.16/319,195.99 - Step 6: Final answer
x = 141,881.85
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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.