Finding the Fourth Proportional to 176,164.74, 243,005.67 and 112,430.70
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Solution
The fourth proportional to 176,164.74, 243,005.67 and 112,430.70 is: 155,089.48
Step by Step Solution
- Step 1: Write the proportion equation
176,164.74 : 243,005.67 = 112,430.70 : x - Step 2: Convert to fraction form
176,164.74/243,005.67 = 112,430.70/x - Step 3: Cross multiply
176,164.74x = 243,005.67 × 112,430.70 - Step 4: Simplify right side
176,164.74x = 27,321,297,582.07 - Step 5: Solve for x
x = 27,321,297,582.07/176,164.74 - Step 6: Final answer
x = 155,089.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.