Finding the Fourth Proportional to 368,601.36, 508,686.24 and 207,466.84
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Solution
The fourth proportional to 368,601.36, 508,686.24 and 207,466.84 is: 286,313.45
Step by Step Solution
- Step 1: Write the proportion equation
368,601.36 : 508,686.24 = 207,466.84 : x - Step 2: Convert to fraction form
368,601.36/508,686.24 = 207,466.84/x - Step 3: Cross multiply
368,601.36x = 508,686.24 × 207,466.84 - Step 4: Simplify right side
368,601.36x = 105,535,526,764.28 - Step 5: Solve for x
x = 105,535,526,764.28/368,601.36 - Step 6: Final answer
x = 286,313.45
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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.