Finding the Fourth Proportional to 314,227.47, 471,415.04 and 103,865.42
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Solution
The fourth proportional to 314,227.47, 471,415.04 and 103,865.42 is: 155,822.53
Step by Step Solution
- Step 1: Write the proportion equation
314,227.47 : 471,415.04 = 103,865.42 : x - Step 2: Convert to fraction form
314,227.47/471,415.04 = 103,865.42/x - Step 3: Cross multiply
314,227.47x = 471,415.04 × 103,865.42 - Step 4: Simplify right side
314,227.47x = 48,963,718,247.51 - Step 5: Solve for x
x = 48,963,718,247.51/314,227.47 - Step 6: Final answer
x = 155,822.53
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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.