Finding the Fourth Proportional to 168,779.21, 232,973.96 and 97,187.76
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Solution
The fourth proportional to 168,779.21, 232,973.96 and 97,187.76 is: 134,152.88
Step by Step Solution
- Step 1: Write the proportion equation
168,779.21 : 232,973.96 = 97,187.76 : x - Step 2: Convert to fraction form
168,779.21/232,973.96 = 97,187.76/x - Step 3: Cross multiply
168,779.21x = 232,973.96 × 97,187.76 - Step 4: Simplify right side
168,779.21x = 22,642,216,824.79 - Step 5: Solve for x
x = 22,642,216,824.79/168,779.21 - Step 6: Final answer
x = 134,152.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.