Finding the Fourth Proportional to 319,214.99, 440,519.63 and 175,980.15
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Solution
The fourth proportional to 319,214.99, 440,519.63 and 175,980.15 is: 242,854.23
Step by Step Solution
- Step 1: Write the proportion equation
319,214.99 : 440,519.63 = 175,980.15 : x - Step 2: Convert to fraction form
319,214.99/440,519.63 = 175,980.15/x - Step 3: Cross multiply
319,214.99x = 440,519.63 × 175,980.15 - Step 4: Simplify right side
319,214.99x = 77,522,709,685.44 - Step 5: Solve for x
x = 77,522,709,685.44/319,214.99 - Step 6: Final answer
x = 242,854.23
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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.