Finding the Fourth Proportional to 190,927.80, 286,391.70 and 97,615.80
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Solution
The fourth proportional to 190,927.80, 286,391.70 and 97,615.80 is: 146,423.70
Step by Step Solution
- Step 1: Write the proportion equation
190,927.80 : 286,391.70 = 97,615.80 : x - Step 2: Convert to fraction form
190,927.80/286,391.70 = 97,615.80/x - Step 3: Cross multiply
190,927.80x = 286,391.70 × 97,615.80 - Step 4: Simplify right side
190,927.80x = 27,956,354,908.86 - Step 5: Solve for x
x = 27,956,354,908.86/190,927.80 - Step 6: Final answer
x = 146,423.70
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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.