Finding the Fourth Proportional to 97,389.40, 145,853.70 and 97,389.40
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Solution
The fourth proportional to 97,389.40, 145,853.70 and 97,389.40 is: 145,853.70
Step by Step Solution
- Step 1: Write the proportion equation
97,389.40 : 145,853.70 = 97,389.40 : x - Step 2: Convert to fraction form
97,389.40/145,853.70 = 97,389.40/x - Step 3: Cross multiply
97,389.40x = 145,853.70 × 97,389.40 - Step 4: Simplify right side
97,389.40x = 14,204,604,330.78 - Step 5: Solve for x
x = 14,204,604,330.78/97,389.40 - Step 6: Final answer
x = 145,853.70
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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.