Finding the Fourth Proportional to 438,037.14, 657,055.80 and 153,950.70
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Solution
The fourth proportional to 438,037.14, 657,055.80 and 153,950.70 is: 230,926.08
Step by Step Solution
- Step 1: Write the proportion equation
438,037.14 : 657,055.80 = 153,950.70 : x - Step 2: Convert to fraction form
438,037.14/657,055.80 = 153,950.70/x - Step 3: Cross multiply
438,037.14x = 657,055.80 × 153,950.70 - Step 4: Simplify right side
438,037.14x = 101,154,200,349.06 - Step 5: Solve for x
x = 101,154,200,349.06/438,037.14 - Step 6: Final answer
x = 230,926.08
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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.