Finding the Fourth Proportional to 440,156.18, 607,420.42 and 249,165.38
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Solution
The fourth proportional to 440,156.18, 607,420.42 and 249,165.38 is: 343,850.99
Step by Step Solution
- Step 1: Write the proportion equation
440,156.18 : 607,420.42 = 249,165.38 : x - Step 2: Convert to fraction form
440,156.18/607,420.42 = 249,165.38/x - Step 3: Cross multiply
440,156.18x = 607,420.42 × 249,165.38 - Step 4: Simplify right side
440,156.18x = 151,348,139,769.06 - Step 5: Solve for x
x = 151,348,139,769.06/440,156.18 - Step 6: Final answer
x = 343,850.99
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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.