Finding the Fourth Proportional to 659,669.80, 910,346.06 and 357,863.80
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Solution
The fourth proportional to 659,669.80, 910,346.06 and 357,863.80 is: 493,852.99
Step by Step Solution
- Step 1: Write the proportion equation
659,669.80 : 910,346.06 = 357,863.80 : x - Step 2: Convert to fraction form
659,669.80/910,346.06 = 357,863.80/x - Step 3: Cross multiply
659,669.80x = 910,346.06 × 357,863.80 - Step 4: Simplify right side
659,669.80x = 325,779,900,346.63 - Step 5: Solve for x
x = 325,779,900,346.63/659,669.80 - Step 6: Final answer
x = 493,852.99
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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.