Finding the Fourth Proportional to 538,858.40, 808,210.80 and 183,888.80
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Solution
The fourth proportional to 538,858.40, 808,210.80 and 183,888.80 is: 275,806.99
Step by Step Solution
- Step 1: Write the proportion equation
538,858.40 : 808,210.80 = 183,888.80 : x - Step 2: Convert to fraction form
538,858.40/808,210.80 = 183,888.80/x - Step 3: Cross multiply
538,858.40x = 808,210.80 × 183,888.80 - Step 4: Simplify right side
538,858.40x = 148,620,914,159.04 - Step 5: Solve for x
x = 148,620,914,159.04/538,858.40 - Step 6: Final answer
x = 275,806.99
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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.