Finding the Fourth Proportional to 421,635.24, 632,437.02 and 106,088.04
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Solution
The fourth proportional to 421,635.24, 632,437.02 and 106,088.04 is: 159,128.07
Step by Step Solution
- Step 1: Write the proportion equation
421,635.24 : 632,437.02 = 106,088.04 : x - Step 2: Convert to fraction form
421,635.24/632,437.02 = 106,088.04/x - Step 3: Cross multiply
421,635.24x = 632,437.02 × 106,088.04 - Step 4: Simplify right side
421,635.24x = 67,094,003,875.24 - Step 5: Solve for x
x = 67,094,003,875.24/421,635.24 - Step 6: Final answer
x = 159,128.07
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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.