Finding the Fourth Proportional to 319,008.24, 478,582.44 and 94,351.20
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Solution
The fourth proportional to 319,008.24, 478,582.44 and 94,351.20 is: 141,547.53
Step by Step Solution
- Step 1: Write the proportion equation
319,008.24 : 478,582.44 = 94,351.20 : x - Step 2: Convert to fraction form
319,008.24/478,582.44 = 94,351.20/x - Step 3: Cross multiply
319,008.24x = 478,582.44 × 94,351.20 - Step 4: Simplify right side
319,008.24x = 45,154,827,512.93 - Step 5: Solve for x
x = 45,154,827,512.93/319,008.24 - Step 6: Final answer
x = 141,547.53
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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.