Finding the Fourth Proportional to 134,312.20, 201,398.95 and 39,530.06
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Solution
The fourth proportional to 134,312.20, 201,398.95 and 39,530.06 is: 59,274.69
Step by Step Solution
- Step 1: Write the proportion equation
134,312.20 : 201,398.95 = 39,530.06 : x - Step 2: Convert to fraction form
134,312.20/201,398.95 = 39,530.06/x - Step 3: Cross multiply
134,312.20x = 201,398.95 × 39,530.06 - Step 4: Simplify right side
134,312.20x = 7,961,313,080.93 - Step 5: Solve for x
x = 7,961,313,080.93/134,312.20 - Step 6: Final answer
x = 59,274.69
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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.