Finding the Fourth Proportional to 423,474.87, 584,441.79 and 242,203.76
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Solution
The fourth proportional to 423,474.87, 584,441.79 and 242,203.76 is: 334,267.77
Step by Step Solution
- Step 1: Write the proportion equation
423,474.87 : 584,441.79 = 242,203.76 : x - Step 2: Convert to fraction form
423,474.87/584,441.79 = 242,203.76/x - Step 3: Cross multiply
423,474.87x = 584,441.79 × 242,203.76 - Step 4: Simplify right side
423,474.87x = 141,553,999,039.13 - Step 5: Solve for x
x = 141,553,999,039.13/423,474.87 - Step 6: Final answer
x = 334,267.77
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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.