Finding the Fourth Proportional to 134,810.60, 202,215.90 and 97,485.80
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Solution
The fourth proportional to 134,810.60, 202,215.90 and 97,485.80 is: 146,228.70
Step by Step Solution
- Step 1: Write the proportion equation
134,810.60 : 202,215.90 = 97,485.80 : x - Step 2: Convert to fraction form
134,810.60/202,215.90 = 97,485.80/x - Step 3: Cross multiply
134,810.60x = 202,215.90 × 97,485.80 - Step 4: Simplify right side
134,810.60x = 19,713,178,784.22 - Step 5: Solve for x
x = 19,713,178,784.22/134,810.60 - Step 6: Final answer
x = 146,228.70
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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.