Finding the Fourth Proportional to 97,397.40, 145,865.70 and 97,397.40
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Solution
The fourth proportional to 97,397.40, 145,865.70 and 97,397.40 is: 145,865.70
Step by Step Solution
- Step 1: Write the proportion equation
97,397.40 : 145,865.70 = 97,397.40 : x - Step 2: Convert to fraction form
97,397.40/145,865.70 = 97,397.40/x - Step 3: Cross multiply
97,397.40x = 145,865.70 × 97,397.40 - Step 4: Simplify right side
97,397.40x = 14,206,939,929.18 - Step 5: Solve for x
x = 14,206,939,929.18/97,397.40 - Step 6: Final answer
x = 145,865.70
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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.