Finding the Fourth Proportional to 480,331.93, 720,747.12 and 214,030.51
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Solution
The fourth proportional to 480,331.93, 720,747.12 and 214,030.51 is: 321,156.82
Step by Step Solution
- Step 1: Write the proportion equation
480,331.93 : 720,747.12 = 214,030.51 : x - Step 2: Convert to fraction form
480,331.93/720,747.12 = 214,030.51/x - Step 3: Cross multiply
480,331.93x = 720,747.12 × 214,030.51 - Step 4: Simplify right side
480,331.93x = 154,261,873,674.63 - Step 5: Solve for x
x = 154,261,873,674.63/480,331.93 - Step 6: Final answer
x = 321,156.82
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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.