Finding the Fourth Proportional to 130,352.42, 195,602.58 and 70,380.09
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Solution
The fourth proportional to 130,352.42, 195,602.58 and 70,380.09 is: 105,610.07
Step by Step Solution
- Step 1: Write the proportion equation
130,352.42 : 195,602.58 = 70,380.09 : x - Step 2: Convert to fraction form
130,352.42/195,602.58 = 70,380.09/x - Step 3: Cross multiply
130,352.42x = 195,602.58 × 70,380.09 - Step 4: Simplify right side
130,352.42x = 13,766,527,184.63 - Step 5: Solve for x
x = 13,766,527,184.63/130,352.42 - Step 6: Final answer
x = 105,610.07
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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.