Finding the Fourth Proportional to 440,157.18, 607,421.80 and 249,166.38
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Solution
The fourth proportional to 440,157.18, 607,421.80 and 249,166.38 is: 343,852.37
Step by Step Solution
- Step 1: Write the proportion equation
440,157.18 : 607,421.80 = 249,166.38 : x - Step 2: Convert to fraction form
440,157.18/607,421.80 = 249,166.38/x - Step 3: Cross multiply
440,157.18x = 607,421.80 × 249,166.38 - Step 4: Simplify right side
440,157.18x = 151,349,091,039.08 - Step 5: Solve for x
x = 151,349,091,039.08/440,157.18 - Step 6: Final answer
x = 343,852.37
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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.