Finding the Fourth Proportional to 507,841.35, 761,861.60 and 187,995.68
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Solution
The fourth proportional to 507,841.35, 761,861.60 and 187,995.68 is: 282,030.37
Step by Step Solution
- Step 1: Write the proportion equation
507,841.35 : 761,861.60 = 187,995.68 : x - Step 2: Convert to fraction form
507,841.35/761,861.60 = 187,995.68/x - Step 3: Cross multiply
507,841.35x = 761,861.60 × 187,995.68 - Step 4: Simplify right side
507,841.35x = 143,226,684,808.60 - Step 5: Solve for x
x = 143,226,684,808.60/507,841.35 - Step 6: Final answer
x = 282,030.37
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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.