Finding the Fourth Proportional to 450,428.99, 621,599.90 and 246,497.99
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Solution
The fourth proportional to 450,428.99, 621,599.90 and 246,497.99 is: 340,171.54
Step by Step Solution
- Step 1: Write the proportion equation
450,428.99 : 621,599.90 = 246,497.99 : x - Step 2: Convert to fraction form
450,428.99/621,599.90 = 246,497.99/x - Step 3: Cross multiply
450,428.99x = 621,599.90 × 246,497.99 - Step 4: Simplify right side
450,428.99x = 153,223,121,593.71 - Step 5: Solve for x
x = 153,223,121,593.71/450,428.99 - Step 6: Final answer
x = 340,171.54
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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.