Finding the Fourth Proportional to 292,110.90, 438,166.35 and 166,139.70
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Solution
The fourth proportional to 292,110.90, 438,166.35 and 166,139.70 is: 249,209.55
Step by Step Solution
- Step 1: Write the proportion equation
292,110.90 : 438,166.35 = 166,139.70 : x - Step 2: Convert to fraction form
292,110.90/438,166.35 = 166,139.70/x - Step 3: Cross multiply
292,110.90x = 438,166.35 × 166,139.70 - Step 4: Simplify right side
292,110.90x = 72,796,825,939.10 - Step 5: Solve for x
x = 72,796,825,939.10/292,110.90 - Step 6: Final answer
x = 249,209.55
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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.