Finding the Fourth Proportional to 461,319.62, 636,622.02 and 257,365.44
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Solution
The fourth proportional to 461,319.62, 636,622.02 and 257,365.44 is: 355,164.84
Step by Step Solution
- Step 1: Write the proportion equation
461,319.62 : 636,622.02 = 257,365.44 : x - Step 2: Convert to fraction form
461,319.62/636,622.02 = 257,365.44/x - Step 3: Cross multiply
461,319.62x = 636,622.02 × 257,365.44 - Step 4: Simplify right side
461,319.62x = 163,844,506,290.99 - Step 5: Solve for x
x = 163,844,506,290.99/461,319.62 - Step 6: Final answer
x = 355,164.84
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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.