Finding the Fourth Proportional to 553,593.20, 830,262.36 and 216,641.84
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Solution
The fourth proportional to 553,593.20, 830,262.36 and 216,641.84 is: 324,912.89
Step by Step Solution
- Step 1: Write the proportion equation
553,593.20 : 830,262.36 = 216,641.84 : x - Step 2: Convert to fraction form
553,593.20/830,262.36 = 216,641.84/x - Step 3: Cross multiply
553,593.20x = 830,262.36 × 216,641.84 - Step 4: Simplify right side
553,593.20x = 179,869,565,353.14 - Step 5: Solve for x
x = 179,869,565,353.14/553,593.20 - Step 6: Final answer
x = 324,912.89
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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.