Finding the Fourth Proportional to 403,313.70, 604,970.55 and 167,117.70
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Solution
The fourth proportional to 403,313.70, 604,970.55 and 167,117.70 is: 250,676.55
Step by Step Solution
- Step 1: Write the proportion equation
403,313.70 : 604,970.55 = 167,117.70 : x - Step 2: Convert to fraction form
403,313.70/604,970.55 = 167,117.70/x - Step 3: Cross multiply
403,313.70x = 604,970.55 × 167,117.70 - Step 4: Simplify right side
403,313.70x = 101,101,286,883.74 - Step 5: Solve for x
x = 101,101,286,883.74/403,313.70 - Step 6: Final answer
x = 250,676.55
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Similar ratio
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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.