Finding the Fourth Proportional to 368,970.24, 508,992.96 and 215,907.84
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Solution
The fourth proportional to 368,970.24, 508,992.96 and 215,907.84 is: 297,844.00
Step by Step Solution
- Step 1: Write the proportion equation
368,970.24 : 508,992.96 = 215,907.84 : x - Step 2: Convert to fraction form
368,970.24/508,992.96 = 215,907.84/x - Step 3: Cross multiply
368,970.24x = 508,992.96 × 215,907.84 - Step 4: Simplify right side
368,970.24x = 109,895,570,568.81 - Step 5: Solve for x
x = 109,895,570,568.81/368,970.24 - Step 6: Final answer
x = 297,844.00
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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.