Finding the Fourth Proportional to 102,446.10, 153,669.15 and 97,607.70
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Solution
The fourth proportional to 102,446.10, 153,669.15 and 97,607.70 is: 146,411.55
Step by Step Solution
- Step 1: Write the proportion equation
102,446.10 : 153,669.15 = 97,607.70 : x - Step 2: Convert to fraction form
102,446.10/153,669.15 = 97,607.70/x - Step 3: Cross multiply
102,446.10x = 153,669.15 × 97,607.70 - Step 4: Simplify right side
102,446.10x = 14,999,292,292.46 - Step 5: Solve for x
x = 14,999,292,292.46/102,446.10 - Step 6: Final answer
x = 146,411.55
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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.