Finding the Fourth Proportional to 572,383.21, 857,767.63 and 316,331.09
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Solution
The fourth proportional to 572,383.21, 857,767.63 and 316,331.09 is: 474,050.53
Step by Step Solution
- Step 1: Write the proportion equation
572,383.21 : 857,767.63 = 316,331.09 : x - Step 2: Convert to fraction form
572,383.21/857,767.63 = 316,331.09/x - Step 3: Cross multiply
572,383.21x = 857,767.63 × 316,331.09 - Step 4: Simplify right side
572,383.21x = 271,338,564,284.95 - Step 5: Solve for x
x = 271,338,564,284.95/572,383.21 - Step 6: Final answer
x = 474,050.53
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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.