Finding the Fourth Proportional to 509,528.14, 764,291.31 and 135,551.14
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Solution
The fourth proportional to 509,528.14, 764,291.31 and 135,551.14 is: 203,326.47
Step by Step Solution
- Step 1: Write the proportion equation
509,528.14 : 764,291.31 = 135,551.14 : x - Step 2: Convert to fraction form
509,528.14/764,291.31 = 135,551.14/x - Step 3: Cross multiply
509,528.14x = 764,291.31 × 135,551.14 - Step 4: Simplify right side
509,528.14x = 103,600,558,362.59 - Step 5: Solve for x
x = 103,600,558,362.59/509,528.14 - Step 6: Final answer
x = 203,326.47
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1.5x scale
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.