Finding the Fourth Proportional to 438,292.68, 657,462.24 and 138,804.90
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Solution
The fourth proportional to 438,292.68, 657,462.24 and 138,804.90 is: 208,214.70
Step by Step Solution
- Step 1: Write the proportion equation
438,292.68 : 657,462.24 = 138,804.90 : x - Step 2: Convert to fraction form
438,292.68/657,462.24 = 138,804.90/x - Step 3: Cross multiply
438,292.68x = 657,462.24 × 138,804.90 - Step 4: Simplify right side
438,292.68x = 91,258,980,476.98 - Step 5: Solve for x
x = 91,258,980,476.98/438,292.68 - Step 6: Final answer
x = 208,214.70
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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.