Finding the Fourth Proportional to 319,275.77, 478,590.26 and 207,027.18
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Solution
The fourth proportional to 319,275.77, 478,590.26 and 207,027.18 is: 310,331.07
Step by Step Solution
- Step 1: Write the proportion equation
319,275.77 : 478,590.26 = 207,027.18 : x - Step 2: Convert to fraction form
319,275.77/478,590.26 = 207,027.18/x - Step 3: Cross multiply
319,275.77x = 478,590.26 × 207,027.18 - Step 4: Simplify right side
319,275.77x = 99,081,190,868.13 - Step 5: Solve for x
x = 99,081,190,868.13/319,275.77 - Step 6: Final answer
x = 310,331.07
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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.