Finding the Fourth Proportional to 319,035.28, 478,523.52 and 97,419.28
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Solution
The fourth proportional to 319,035.28, 478,523.52 and 97,419.28 is: 146,119.94
Step by Step Solution
- Step 1: Write the proportion equation
319,035.28 : 478,523.52 = 97,419.28 : x - Step 2: Convert to fraction form
319,035.28/478,523.52 = 97,419.28/x - Step 3: Cross multiply
319,035.28x = 478,523.52 × 97,419.28 - Step 4: Simplify right side
319,035.28x = 46,617,416,781.47 - Step 5: Solve for x
x = 46,617,416,781.47/319,035.28 - Step 6: Final answer
x = 146,119.94
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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.