Finding the Fourth Proportional to 251,319.78, 346,497.93 and 205,830.18
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Solution
The fourth proportional to 251,319.78, 346,497.93 and 205,830.18 is: 283,780.81
Step by Step Solution
- Step 1: Write the proportion equation
251,319.78 : 346,497.93 = 205,830.18 : x - Step 2: Convert to fraction form
251,319.78/346,497.93 = 205,830.18/x - Step 3: Cross multiply
251,319.78x = 346,497.93 × 205,830.18 - Step 4: Simplify right side
251,319.78x = 71,319,731,301.53 - Step 5: Solve for x
x = 71,319,731,301.53/251,319.78 - Step 6: Final answer
x = 283,780.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.