Finding the Fourth Proportional to 440,339.19, 607,668.07 and 249,389.49
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Solution
The fourth proportional to 440,339.19, 607,668.07 and 249,389.49 is: 344,157.48
Step by Step Solution
- Step 1: Write the proportion equation
440,339.19 : 607,668.07 = 249,389.49 : x - Step 2: Convert to fraction form
440,339.19/607,668.07 = 249,389.49/x - Step 3: Cross multiply
440,339.19x = 607,668.07 × 249,389.49 - Step 4: Simplify right side
440,339.19x = 151,546,027,028.24 - Step 5: Solve for x
x = 151,546,027,028.24/440,339.19 - Step 6: Final answer
x = 344,157.48
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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.