Finding the Fourth Proportional to 130,461.88, 195,720.71 and 40,502.62
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Solution
The fourth proportional to 130,461.88, 195,720.71 and 40,502.62 is: 60,762.59
Step by Step Solution
- Step 1: Write the proportion equation
130,461.88 : 195,720.71 = 40,502.62 : x - Step 2: Convert to fraction form
130,461.88/195,720.71 = 40,502.62/x - Step 3: Cross multiply
130,461.88x = 195,720.71 × 40,502.62 - Step 4: Simplify right side
130,461.88x = 7,927,201,543.26 - Step 5: Solve for x
x = 7,927,201,543.26/130,461.88 - Step 6: Final answer
x = 60,762.59
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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.