Finding the Fourth Proportional to 98,368.08, 147,598.80 and 50,974.31
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Solution
The fourth proportional to 98,368.08, 147,598.80 and 50,974.31 is: 76,485.65
Step by Step Solution
- Step 1: Write the proportion equation
98,368.08 : 147,598.80 = 50,974.31 : x - Step 2: Convert to fraction form
98,368.08/147,598.80 = 50,974.31/x - Step 3: Cross multiply
98,368.08x = 147,598.80 × 50,974.31 - Step 4: Simplify right side
98,368.08x = 7,523,746,986.83 - Step 5: Solve for x
x = 7,523,746,986.83/98,368.08 - Step 6: Final answer
x = 76,485.65
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1.5x scale
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.