Finding the Fourth Proportional to 318,169.05, 439,062.06 and 174,927.99
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Solution
The fourth proportional to 318,169.05, 439,062.06 and 174,927.99 is: 241,394.45
Step by Step Solution
- Step 1: Write the proportion equation
318,169.05 : 439,062.06 = 174,927.99 : x - Step 2: Convert to fraction form
318,169.05/439,062.06 = 174,927.99/x - Step 3: Cross multiply
318,169.05x = 439,062.06 × 174,927.99 - Step 4: Simplify right side
318,169.05x = 76,804,243,641.06 - Step 5: Solve for x
x = 76,804,243,641.06/318,169.05 - Step 6: Final answer
x = 241,394.45
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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.