Finding the Fourth Proportional to 341,637.81, 471,460.18 and 198,407.08
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Solution
The fourth proportional to 341,637.81, 471,460.18 and 198,407.08 is: 273,801.77
Step by Step Solution
- Step 1: Write the proportion equation
341,637.81 : 471,460.18 = 198,407.08 : x - Step 2: Convert to fraction form
341,637.81/471,460.18 = 198,407.08/x - Step 3: Cross multiply
341,637.81x = 471,460.18 × 198,407.08 - Step 4: Simplify right side
341,637.81x = 93,541,034,300.74 - Step 5: Solve for x
x = 93,541,034,300.74/341,637.81 - Step 6: Final answer
x = 273,801.77
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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.