Finding the Fourth Proportional to 130,403.88, 195,008.04 and 97,147.08
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Solution
The fourth proportional to 130,403.88, 195,008.04 and 97,147.08 is: 145,275.29
Step by Step Solution
- Step 1: Write the proportion equation
130,403.88 : 195,008.04 = 97,147.08 : x - Step 2: Convert to fraction form
130,403.88/195,008.04 = 97,147.08/x - Step 3: Cross multiply
130,403.88x = 195,008.04 × 97,147.08 - Step 4: Simplify right side
130,403.88x = 18,944,461,662.52 - Step 5: Solve for x
x = 18,944,461,662.52/130,403.88 - Step 6: Final answer
x = 145,275.29
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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.