Finding the Fourth Proportional to 509,580.70, 764,176.65 and 154,476.70
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Solution
The fourth proportional to 509,580.70, 764,176.65 and 154,476.70 is: 231,656.12
Step by Step Solution
- Step 1: Write the proportion equation
509,580.70 : 764,176.65 = 154,476.70 : x - Step 2: Convert to fraction form
509,580.70/764,176.65 = 154,476.70/x - Step 3: Cross multiply
509,580.70x = 764,176.65 × 154,476.70 - Step 4: Simplify right side
509,580.70x = 118,047,487,109.06 - Step 5: Solve for x
x = 118,047,487,109.06/509,580.70 - Step 6: Final answer
x = 231,656.12
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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.