Finding the Fourth Proportional to 292,110.30, 438,165.45 and 165,701.70
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Solution
The fourth proportional to 292,110.30, 438,165.45 and 165,701.70 is: 248,552.55
Step by Step Solution
- Step 1: Write the proportion equation
292,110.30 : 438,165.45 = 165,701.70 : x - Step 2: Convert to fraction form
292,110.30/438,165.45 = 165,701.70/x - Step 3: Cross multiply
292,110.30x = 438,165.45 × 165,701.70 - Step 4: Simplify right side
292,110.30x = 72,604,759,946.27 - Step 5: Solve for x
x = 72,604,759,946.27/292,110.30 - Step 6: Final answer
x = 248,552.55
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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.