Finding the Fourth Proportional to 225,194.04, 310,762.98 and 123,219.09
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Solution
The fourth proportional to 225,194.04, 310,762.98 and 123,219.09 is: 170,039.72
Step by Step Solution
- Step 1: Write the proportion equation
225,194.04 : 310,762.98 = 123,219.09 : x - Step 2: Convert to fraction form
225,194.04/310,762.98 = 123,219.09/x - Step 3: Cross multiply
225,194.04x = 310,762.98 × 123,219.09 - Step 4: Simplify right side
225,194.04x = 38,291,931,601.29 - Step 5: Solve for x
x = 38,291,931,601.29/225,194.04 - Step 6: Final answer
x = 170,039.72
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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.