Finding the Fourth Proportional to 546,356.93, 819,068.09 and 209,639.21
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Solution
The fourth proportional to 546,356.93, 819,068.09 and 209,639.21 is: 314,279.50
Step by Step Solution
- Step 1: Write the proportion equation
546,356.93 : 819,068.09 = 209,639.21 : x - Step 2: Convert to fraction form
546,356.93/819,068.09 = 209,639.21/x - Step 3: Cross multiply
546,356.93x = 819,068.09 × 209,639.21 - Step 4: Simplify right side
546,356.93x = 171,708,782,180.27 - Step 5: Solve for x
x = 171,708,782,180.27/546,356.93 - Step 6: Final answer
x = 314,279.50
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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.