Finding the Fourth Proportional to 316,252.16, 474,430.08 and 129,213.44
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Solution
The fourth proportional to 316,252.16, 474,430.08 and 129,213.44 is: 193,841.34
Step by Step Solution
- Step 1: Write the proportion equation
316,252.16 : 474,430.08 = 129,213.44 : x - Step 2: Convert to fraction form
316,252.16/474,430.08 = 129,213.44/x - Step 3: Cross multiply
316,252.16x = 474,430.08 × 129,213.44 - Step 4: Simplify right side
316,252.16x = 61,302,742,676.28 - Step 5: Solve for x
x = 61,302,742,676.28/316,252.16 - Step 6: Final answer
x = 193,841.34
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1.5x scale
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.