Finding the Fourth Proportional to 507,357.63, 700,158.68 and 306,114.75
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Solution
The fourth proportional to 507,357.63, 700,158.68 and 306,114.75 is: 422,441.46
Step by Step Solution
- Step 1: Write the proportion equation
507,357.63 : 700,158.68 = 306,114.75 : x - Step 2: Convert to fraction form
507,357.63/700,158.68 = 306,114.75/x - Step 3: Cross multiply
507,357.63x = 700,158.68 × 306,114.75 - Step 4: Simplify right side
507,357.63x = 214,328,899,288.53 - Step 5: Solve for x
x = 214,328,899,288.53/507,357.63 - Step 6: Final answer
x = 422,441.46
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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.