Finding the Fourth Proportional to 312,157.92, 430,779.93 and 183,070.08
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Solution
The fourth proportional to 312,157.92, 430,779.93 and 183,070.08 is: 252,637.88
Step by Step Solution
- Step 1: Write the proportion equation
312,157.92 : 430,779.93 = 183,070.08 : x - Step 2: Convert to fraction form
312,157.92/430,779.93 = 183,070.08/x - Step 3: Cross multiply
312,157.92x = 430,779.93 × 183,070.08 - Step 4: Simplify right side
312,157.92x = 78,862,916,247.49 - Step 5: Solve for x
x = 78,862,916,247.49/312,157.92 - Step 6: Final answer
x = 252,637.88
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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.