Finding the Fourth Proportional to 474,302.16, 654,523.07 and 259,437.60
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Solution
The fourth proportional to 474,302.16, 654,523.07 and 259,437.60 is: 358,016.28
Step by Step Solution
- Step 1: Write the proportion equation
474,302.16 : 654,523.07 = 259,437.60 : x - Step 2: Convert to fraction form
474,302.16/654,523.07 = 259,437.60/x - Step 3: Cross multiply
474,302.16x = 654,523.07 × 259,437.60 - Step 4: Simplify right side
474,302.16x = 169,807,893,128.24 - Step 5: Solve for x
x = 169,807,893,128.24/474,302.16 - Step 6: Final answer
x = 358,016.28
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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.