Finding the Fourth Proportional to 438,189.60, 657,802.80 and 248,800.80
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Solution
The fourth proportional to 438,189.60, 657,802.80 and 248,800.80 is: 373,495.54
Step by Step Solution
- Step 1: Write the proportion equation
438,189.60 : 657,802.80 = 248,800.80 : x - Step 2: Convert to fraction form
438,189.60/657,802.80 = 248,800.80/x - Step 3: Cross multiply
438,189.60x = 657,802.80 × 248,800.80 - Step 4: Simplify right side
438,189.60x = 163,661,862,882.24 - Step 5: Solve for x
x = 163,661,862,882.24/438,189.60 - Step 6: Final answer
x = 373,495.54
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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.