Finding the Fourth Proportional to 440,372.32, 607,751.28 and 249,419.68
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Solution
The fourth proportional to 440,372.32, 607,751.28 and 249,419.68 is: 344,220.39
Step by Step Solution
- Step 1: Write the proportion equation
440,372.32 : 607,751.28 = 249,419.68 : x - Step 2: Convert to fraction form
440,372.32/607,751.28 = 249,419.68/x - Step 3: Cross multiply
440,372.32x = 607,751.28 × 249,419.68 - Step 4: Simplify right side
440,372.32x = 151,585,129,777.19 - Step 5: Solve for x
x = 151,585,129,777.19/440,372.32 - Step 6: Final answer
x = 344,220.39
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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.