Finding the Fourth Proportional to 421,933.36, 632,747.76 and 141,386.08
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Solution
The fourth proportional to 421,933.36, 632,747.76 and 141,386.08 is: 212,028.09
Step by Step Solution
- Step 1: Write the proportion equation
421,933.36 : 632,747.76 = 141,386.08 : x - Step 2: Convert to fraction form
421,933.36/632,747.76 = 141,386.08/x - Step 3: Cross multiply
421,933.36x = 632,747.76 × 141,386.08 - Step 4: Simplify right side
421,933.36x = 89,461,725,415.18 - Step 5: Solve for x
x = 89,461,725,415.18/421,933.36 - Step 6: Final answer
x = 212,028.09
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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.