Finding the Fourth Proportional to 484,746.42, 727,451.79 and 169,203.30
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Solution
The fourth proportional to 484,746.42, 727,451.79 and 169,203.30 is: 253,920.89
Step by Step Solution
- Step 1: Write the proportion equation
484,746.42 : 727,451.79 = 169,203.30 : x - Step 2: Convert to fraction form
484,746.42/727,451.79 = 169,203.30/x - Step 3: Cross multiply
484,746.42x = 727,451.79 × 169,203.30 - Step 4: Simplify right side
484,746.42x = 123,087,243,458.91 - Step 5: Solve for x
x = 123,087,243,458.91/484,746.42 - Step 6: Final answer
x = 253,920.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.