Finding the Fourth Proportional to 476,447.28, 714,660.84 and 121,461.36
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Solution
The fourth proportional to 476,447.28, 714,660.84 and 121,461.36 is: 182,189.47
Step by Step Solution
- Step 1: Write the proportion equation
476,447.28 : 714,660.84 = 121,461.36 : x - Step 2: Convert to fraction form
476,447.28/714,660.84 = 121,461.36/x - Step 3: Cross multiply
476,447.28x = 714,660.84 × 121,461.36 - Step 4: Simplify right side
476,447.28x = 86,803,677,565.14 - Step 5: Solve for x
x = 86,803,677,565.14/476,447.28 - Step 6: Final answer
x = 182,189.47
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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.