Finding the Fourth Proportional to 407,652.14, 611,586.65 and 141,412.23
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Solution
The fourth proportional to 407,652.14, 611,586.65 and 141,412.23 is: 212,155.96
Step by Step Solution
- Step 1: Write the proportion equation
407,652.14 : 611,586.65 = 141,412.23 : x - Step 2: Convert to fraction form
407,652.14/611,586.65 = 141,412.23/x - Step 3: Cross multiply
407,652.14x = 611,586.65 × 141,412.23 - Step 4: Simplify right side
407,652.14x = 86,485,831,307.67 - Step 5: Solve for x
x = 86,485,831,307.67/407,652.14 - Step 6: Final answer
x = 212,155.96
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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.