Finding the Fourth Proportional to 175,433.30, 242,125.23 and 115,178.70
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Solution
The fourth proportional to 175,433.30, 242,125.23 and 115,178.70 is: 158,964.52
Step by Step Solution
- Step 1: Write the proportion equation
175,433.30 : 242,125.23 = 115,178.70 : x - Step 2: Convert to fraction form
175,433.30/242,125.23 = 115,178.70/x - Step 3: Cross multiply
175,433.30x = 242,125.23 × 115,178.70 - Step 4: Simplify right side
175,433.30x = 27,887,669,228.60 - Step 5: Solve for x
x = 27,887,669,228.60/175,433.30 - Step 6: Final answer
x = 158,964.52
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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.