Finding the Fourth Proportional to 319,226.57, 440,536.07 and 175,991.74
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Solution
The fourth proportional to 319,226.57, 440,536.07 and 175,991.74 is: 242,870.48
Step by Step Solution
- Step 1: Write the proportion equation
319,226.57 : 440,536.07 = 175,991.74 : x - Step 2: Convert to fraction form
319,226.57/440,536.07 = 175,991.74/x - Step 3: Cross multiply
319,226.57x = 440,536.07 × 175,991.74 - Step 4: Simplify right side
319,226.57x = 77,530,709,492.06 - Step 5: Solve for x
x = 77,530,709,492.06/319,226.57 - Step 6: Final answer
x = 242,870.48
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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.