Finding the Fourth Proportional to 198,281.58, 273,628.68 and 107,637.51
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Solution
The fourth proportional to 198,281.58, 273,628.68 and 107,637.51 is: 148,539.82
Step by Step Solution
- Step 1: Write the proportion equation
198,281.58 : 273,628.68 = 107,637.51 : x - Step 2: Convert to fraction form
198,281.58/273,628.68 = 107,637.51/x - Step 3: Cross multiply
198,281.58x = 273,628.68 × 107,637.51 - Step 4: Simplify right side
198,281.58x = 29,452,709,779.79 - Step 5: Solve for x
x = 29,452,709,779.79/198,281.58 - Step 6: Final answer
x = 148,539.82
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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.