Finding the Fourth Proportional to 492,607.02, 739,202.36 and 208,282.02
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Solution
The fourth proportional to 492,607.02, 739,202.36 and 208,282.02 is: 312,546.42
Step by Step Solution
- Step 1: Write the proportion equation
492,607.02 : 739,202.36 = 208,282.02 : x - Step 2: Convert to fraction form
492,607.02/739,202.36 = 208,282.02/x - Step 3: Cross multiply
492,607.02x = 739,202.36 × 208,282.02 - Step 4: Simplify right side
492,607.02x = 153,962,559,688.16 - Step 5: Solve for x
x = 153,962,559,688.16/492,607.02 - Step 6: Final answer
x = 312,546.42
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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.