Finding the Fourth Proportional to 134,125.40, 201,215.10 and 39,355.40
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Solution
The fourth proportional to 134,125.40, 201,215.10 and 39,355.40 is: 59,041.02
Step by Step Solution
- Step 1: Write the proportion equation
134,125.40 : 201,215.10 = 39,355.40 : x - Step 2: Convert to fraction form
134,125.40/201,215.10 = 39,355.40/x - Step 3: Cross multiply
134,125.40x = 201,215.10 × 39,355.40 - Step 4: Simplify right side
134,125.40x = 7,918,900,746.54 - Step 5: Solve for x
x = 7,918,900,746.54/134,125.40 - Step 6: Final answer
x = 59,041.02
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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.