Finding the Fourth Proportional to 130,130.95, 195,199.67 and 36,636.07
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Solution
The fourth proportional to 130,130.95, 195,199.67 and 36,636.07 is: 54,955.02
Step by Step Solution
- Step 1: Write the proportion equation
130,130.95 : 195,199.67 = 36,636.07 : x - Step 2: Convert to fraction form
130,130.95/195,199.67 = 36,636.07/x - Step 3: Cross multiply
130,130.95x = 195,199.67 × 36,636.07 - Step 4: Simplify right side
130,130.95x = 7,151,348,774.10 - Step 5: Solve for x
x = 7,151,348,774.10/130,130.95 - Step 6: Final answer
x = 54,955.02
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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.