Finding the Fourth Proportional to 502,276.06, 693,137.66 and 272,831.26
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Solution
The fourth proportional to 502,276.06, 693,137.66 and 272,831.26 is: 376,505.34
Step by Step Solution
- Step 1: Write the proportion equation
502,276.06 : 693,137.66 = 272,831.26 : x - Step 2: Convert to fraction form
502,276.06/693,137.66 = 272,831.26/x - Step 3: Cross multiply
502,276.06x = 693,137.66 × 272,831.26 - Step 4: Simplify right side
502,276.06x = 189,109,621,131.25 - Step 5: Solve for x
x = 189,109,621,131.25/502,276.06 - Step 6: Final answer
x = 376,505.34
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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.