Finding the Fourth Proportional to 238,108.04, 328,588.14 and 130,679.84
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Solution
The fourth proportional to 238,108.04, 328,588.14 and 130,679.84 is: 180,337.65
Step by Step Solution
- Step 1: Write the proportion equation
238,108.04 : 328,588.14 = 130,679.84 : x - Step 2: Convert to fraction form
238,108.04/328,588.14 = 130,679.84/x - Step 3: Cross multiply
238,108.04x = 328,588.14 × 130,679.84 - Step 4: Simplify right side
238,108.04x = 42,939,845,561.10 - Step 5: Solve for x
x = 42,939,845,561.10/238,108.04 - Step 6: Final answer
x = 180,337.65
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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.