Finding the Fourth Proportional to 421,932.36, 632,746.26 and 141,385.08
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Solution
The fourth proportional to 421,932.36, 632,746.26 and 141,385.08 is: 212,026.59
Step by Step Solution
- Step 1: Write the proportion equation
421,932.36 : 632,746.26 = 141,385.08 : x - Step 2: Convert to fraction form
421,932.36/632,746.26 = 141,385.08/x - Step 3: Cross multiply
421,932.36x = 632,746.26 × 141,385.08 - Step 4: Simplify right side
421,932.36x = 89,460,880,589.80 - Step 5: Solve for x
x = 89,460,880,589.80/421,932.36 - Step 6: Final answer
x = 212,026.59
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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.