Finding the Fourth Proportional to 257,701.08, 355,626.80 and 144,526.26
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Solution
The fourth proportional to 257,701.08, 355,626.80 and 144,526.26 is: 199,445.85
Step by Step Solution
- Step 1: Write the proportion equation
257,701.08 : 355,626.80 = 144,526.26 : x - Step 2: Convert to fraction form
257,701.08/355,626.80 = 144,526.26/x - Step 3: Cross multiply
257,701.08x = 355,626.80 × 144,526.26 - Step 4: Simplify right side
257,701.08x = 51,397,411,359.77 - Step 5: Solve for x
x = 51,397,411,359.77/257,701.08 - Step 6: Final answer
x = 199,445.85
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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.