Finding the Fourth Proportional to 507,162.09, 760,885.35 and 203,769.30
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Solution
The fourth proportional to 507,162.09, 760,885.35 and 203,769.30 is: 305,711.09
Step by Step Solution
- Step 1: Write the proportion equation
507,162.09 : 760,885.35 = 203,769.30 : x - Step 2: Convert to fraction form
507,162.09/760,885.35 = 203,769.30/x - Step 3: Cross multiply
507,162.09x = 760,885.35 × 203,769.30 - Step 4: Simplify right side
507,162.09x = 155,045,075,149.76 - Step 5: Solve for x
x = 155,045,075,149.76/507,162.09 - Step 6: Final answer
x = 305,711.09
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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.