Finding the Fourth Proportional to 665,802.06, 998,797.86 and 216,378.42
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Solution
The fourth proportional to 665,802.06, 998,797.86 and 216,378.42 is: 324,598.43
Step by Step Solution
- Step 1: Write the proportion equation
665,802.06 : 998,797.86 = 216,378.42 : x - Step 2: Convert to fraction form
665,802.06/998,797.86 = 216,378.42/x - Step 3: Cross multiply
665,802.06x = 998,797.86 × 216,378.42 - Step 4: Simplify right side
665,802.06x = 216,118,302,846.18 - Step 5: Solve for x
x = 216,118,302,846.18/665,802.06 - Step 6: Final answer
x = 324,598.43
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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.