Finding the Fourth Proportional to 314,628.48, 471,681.44 and 124,971.84
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Solution
The fourth proportional to 314,628.48, 471,681.44 and 124,971.84 is: 187,353.98
Step by Step Solution
- Step 1: Write the proportion equation
314,628.48 : 471,681.44 = 124,971.84 : x - Step 2: Convert to fraction form
314,628.48/471,681.44 = 124,971.84/x - Step 3: Cross multiply
314,628.48x = 471,681.44 × 124,971.84 - Step 4: Simplify right side
314,628.48x = 58,946,897,450.65 - Step 5: Solve for x
x = 58,946,897,450.65/314,628.48 - Step 6: Final answer
x = 187,353.98
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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.