Finding the Fourth Proportional to 440,336.93, 607,664.97 and 249,387.23
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Solution
The fourth proportional to 440,336.93, 607,664.97 and 249,387.23 is: 344,154.38
Step by Step Solution
- Step 1: Write the proportion equation
440,336.93 : 607,664.97 = 249,387.23 : x - Step 2: Convert to fraction form
440,336.93/607,664.97 = 249,387.23/x - Step 3: Cross multiply
440,336.93x = 607,664.97 × 249,387.23 - Step 4: Simplify right side
440,336.93x = 151,543,883,636.33 - Step 5: Solve for x
x = 151,543,883,636.33/440,336.93 - Step 6: Final answer
x = 344,154.38
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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.