Finding the Fourth Proportional to 438,264.73, 657,434.58 and 153,930.53
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Solution
The fourth proportional to 438,264.73, 657,434.58 and 153,930.53 is: 230,908.96
Step by Step Solution
- Step 1: Write the proportion equation
438,264.73 : 657,434.58 = 153,930.53 : x - Step 2: Convert to fraction form
438,264.73/657,434.58 = 153,930.53/x - Step 3: Cross multiply
438,264.73x = 657,434.58 × 153,930.53 - Step 4: Simplify right side
438,264.73x = 101,199,250,708.01 - Step 5: Solve for x
x = 101,199,250,708.01/438,264.73 - Step 6: Final answer
x = 230,908.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.