Finding the Fourth Proportional to 163,931.31, 245,381.00 and 113,032.53
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Solution
The fourth proportional to 163,931.31, 245,381.00 and 113,032.53 is: 169,193.03
Step by Step Solution
- Step 1: Write the proportion equation
163,931.31 : 245,381.00 = 113,032.53 : x - Step 2: Convert to fraction form
163,931.31/245,381.00 = 113,032.53/x - Step 3: Cross multiply
163,931.31x = 245,381.00 × 113,032.53 - Step 4: Simplify right side
163,931.31x = 27,736,034,678.77 - Step 5: Solve for x
x = 27,736,034,678.77/163,931.31 - Step 6: Final answer
x = 169,193.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.