Finding the Fourth Proportional to 401,769.84, 602,091.36 and 288,919.02
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Solution
The fourth proportional to 401,769.84, 602,091.36 and 288,919.02 is: 432,973.38
Step by Step Solution
- Step 1: Write the proportion equation
401,769.84 : 602,091.36 = 288,919.02 : x - Step 2: Convert to fraction form
401,769.84/602,091.36 = 288,919.02/x - Step 3: Cross multiply
401,769.84x = 602,091.36 × 288,919.02 - Step 4: Simplify right side
401,769.84x = 173,955,645,681.67 - Step 5: Solve for x
x = 173,955,645,681.67/401,769.84 - Step 6: Final answer
x = 432,973.38
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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.