Finding the Fourth Proportional to 318,426.10, 439,427.99 and 175,183.07
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Solution
The fourth proportional to 318,426.10, 439,427.99 and 175,183.07 is: 241,752.62
Step by Step Solution
- Step 1: Write the proportion equation
318,426.10 : 439,427.99 = 175,183.07 : x - Step 2: Convert to fraction form
318,426.10/439,427.99 = 175,183.07/x - Step 3: Cross multiply
318,426.10x = 439,427.99 × 175,183.07 - Step 4: Simplify right side
318,426.10x = 76,980,344,332.13 - Step 5: Solve for x
x = 76,980,344,332.13/318,426.10 - Step 6: Final answer
x = 241,752.62
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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.