Finding the Fourth Proportional to 453,415.21, 625,717.79 and 249,468.82
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Solution
The fourth proportional to 453,415.21, 625,717.79 and 249,468.82 is: 344,269.61
Step by Step Solution
- Step 1: Write the proportion equation
453,415.21 : 625,717.79 = 249,468.82 : x - Step 2: Convert to fraction form
453,415.21/625,717.79 = 249,468.82/x - Step 3: Cross multiply
453,415.21x = 625,717.79 × 249,468.82 - Step 4: Simplify right side
453,415.21x = 156,097,078,724.31 - Step 5: Solve for x
x = 156,097,078,724.31/453,415.21 - Step 6: Final answer
x = 344,269.61
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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.