Finding the Fourth Proportional to 238,339.99, 328,904.58 and 130,907.53
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Solution
The fourth proportional to 238,339.99, 328,904.58 and 130,907.53 is: 180,649.86
Step by Step Solution
- Step 1: Write the proportion equation
238,339.99 : 328,904.58 = 130,907.53 : x - Step 2: Convert to fraction form
238,339.99/328,904.58 = 130,907.53/x - Step 3: Cross multiply
238,339.99x = 328,904.58 × 130,907.53 - Step 4: Simplify right side
238,339.99x = 43,056,086,173.49 - Step 5: Solve for x
x = 43,056,086,173.49/238,339.99 - Step 6: Final answer
x = 180,649.86
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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.