Finding the Fourth Proportional to 319,027.93, 478,376.34 and 94,358.83
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Solution
The fourth proportional to 319,027.93, 478,376.34 and 94,358.83 is: 141,489.28
Step by Step Solution
- Step 1: Write the proportion equation
319,027.93 : 478,376.34 = 94,358.83 : x - Step 2: Convert to fraction form
319,027.93/478,376.34 = 94,358.83/x - Step 3: Cross multiply
319,027.93x = 478,376.34 × 94,358.83 - Step 4: Simplify right side
319,027.93x = 45,139,031,742.08 - Step 5: Solve for x
x = 45,139,031,742.08/319,027.93 - Step 6: Final answer
x = 141,489.28
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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.