Finding the Fourth Proportional to 357,501.60, 493,232.14 and 202,431.76
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Solution
The fourth proportional to 357,501.60, 493,232.14 and 202,431.76 is: 279,287.84
Step by Step Solution
- Step 1: Write the proportion equation
357,501.60 : 493,232.14 = 202,431.76 : x - Step 2: Convert to fraction form
357,501.60/493,232.14 = 202,431.76/x - Step 3: Cross multiply
357,501.60x = 493,232.14 × 202,431.76 - Step 4: Simplify right side
357,501.60x = 99,845,850,188.77 - Step 5: Solve for x
x = 99,845,850,188.77/357,501.60 - Step 6: Final answer
x = 279,287.84
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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.