Finding the Fourth Proportional to 97,246.40, 145,869.60 and 69,252.80
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Solution
The fourth proportional to 97,246.40, 145,869.60 and 69,252.80 is: 103,879.20
Step by Step Solution
- Step 1: Write the proportion equation
97,246.40 : 145,869.60 = 69,252.80 : x - Step 2: Convert to fraction form
97,246.40/145,869.60 = 69,252.80/x - Step 3: Cross multiply
97,246.40x = 145,869.60 × 69,252.80 - Step 4: Simplify right side
97,246.40x = 10,101,878,234.88 - Step 5: Solve for x
x = 10,101,878,234.88/97,246.40 - Step 6: Final answer
x = 103,879.20
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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.