Finding the Fourth Proportional to 145,828.22, 201,254.63 and 81,318.53
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Solution
The fourth proportional to 145,828.22, 201,254.63 and 81,318.53 is: 112,226.09
Step by Step Solution
- Step 1: Write the proportion equation
145,828.22 : 201,254.63 = 81,318.53 : x - Step 2: Convert to fraction form
145,828.22/201,254.63 = 81,318.53/x - Step 3: Cross multiply
145,828.22x = 201,254.63 × 81,318.53 - Step 4: Simplify right side
145,828.22x = 16,365,730,763.84 - Step 5: Solve for x
x = 16,365,730,763.84/145,828.22 - Step 6: Final answer
x = 112,226.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.