Finding the Fourth Proportional to 472,226.28, 651,663.36 and 257,367.84
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Solution
The fourth proportional to 472,226.28, 651,663.36 and 257,367.84 is: 355,162.77
Step by Step Solution
- Step 1: Write the proportion equation
472,226.28 : 651,663.36 = 257,367.84 : x - Step 2: Convert to fraction form
472,226.28/651,663.36 = 257,367.84/x - Step 3: Cross multiply
472,226.28x = 651,663.36 × 257,367.84 - Step 4: Simplify right side
472,226.28x = 167,717,191,370.34 - Step 5: Solve for x
x = 167,717,191,370.34/472,226.28 - Step 6: Final answer
x = 355,162.77
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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.