Finding the Fourth Proportional to 440,434.14, 607,832.55 and 249,442.62
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Solution
The fourth proportional to 440,434.14, 607,832.55 and 249,442.62 is: 344,249.75
Step by Step Solution
- Step 1: Write the proportion equation
440,434.14 : 607,832.55 = 249,442.62 : x - Step 2: Convert to fraction form
440,434.14/607,832.55 = 249,442.62/x - Step 3: Cross multiply
440,434.14x = 607,832.55 × 249,442.62 - Step 4: Simplify right side
440,434.14x = 151,619,343,793.28 - Step 5: Solve for x
x = 151,619,343,793.28/440,434.14 - Step 6: Final answer
x = 344,249.75
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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.