Finding the Fourth Proportional to 474,521.76, 654,884.58 and 283,531.08
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Solution
The fourth proportional to 474,521.76, 654,884.58 and 283,531.08 is: 391,299.51
Step by Step Solution
- Step 1: Write the proportion equation
474,521.76 : 654,884.58 = 283,531.08 : x - Step 2: Convert to fraction form
474,521.76/654,884.58 = 283,531.08/x - Step 3: Cross multiply
474,521.76x = 654,884.58 × 283,531.08 - Step 4: Simplify right side
474,521.76x = 185,680,132,242.75 - Step 5: Solve for x
x = 185,680,132,242.75/474,521.76 - Step 6: Final answer
x = 391,299.51
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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.