Finding the Fourth Proportional to 319,272.48, 478,891.44 and 97,656.48
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Solution
The fourth proportional to 319,272.48, 478,891.44 and 97,656.48 is: 146,479.43
Step by Step Solution
- Step 1: Write the proportion equation
319,272.48 : 478,891.44 = 97,656.48 : x - Step 2: Convert to fraction form
319,272.48/478,891.44 = 97,656.48/x - Step 3: Cross multiply
319,272.48x = 478,891.44 × 97,656.48 - Step 4: Simplify right side
319,272.48x = 46,766,852,332.53 - Step 5: Solve for x
x = 46,766,852,332.53/319,272.48 - Step 6: Final answer
x = 146,479.43
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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.