Finding the Fourth Proportional to 197,927.06, 273,169.06 and 155,802.74
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Solution
The fourth proportional to 197,927.06, 273,169.06 and 155,802.74 is: 215,031.17
Step by Step Solution
- Step 1: Write the proportion equation
197,927.06 : 273,169.06 = 155,802.74 : x - Step 2: Convert to fraction form
197,927.06/273,169.06 = 155,802.74/x - Step 3: Cross multiply
197,927.06x = 273,169.06 × 155,802.74 - Step 4: Simplify right side
197,927.06x = 42,560,486,275.87 - Step 5: Solve for x
x = 42,560,486,275.87/197,927.06 - Step 6: Final answer
x = 215,031.17
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1.5x scale
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.