Finding the Fourth Proportional to 357,235.99, 492,884.67 and 229,985.26
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Solution
The fourth proportional to 357,235.99, 492,884.67 and 229,985.26 is: 317,314.64
Step by Step Solution
- Step 1: Write the proportion equation
357,235.99 : 492,884.67 = 229,985.26 : x - Step 2: Convert to fraction form
357,235.99/492,884.67 = 229,985.26/x - Step 3: Cross multiply
357,235.99x = 492,884.67 × 229,985.26 - Step 4: Simplify right side
357,235.99x = 113,356,208,979.96 - Step 5: Solve for x
x = 113,356,208,979.96/357,235.99 - Step 6: Final answer
x = 317,314.64
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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.