Finding the Fourth Proportional to 343,750.80, 515,502.66 and 119,050.74
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Solution
The fourth proportional to 343,750.80, 515,502.66 and 119,050.74 is: 178,533.32
Step by Step Solution
- Step 1: Write the proportion equation
343,750.80 : 515,502.66 = 119,050.74 : x - Step 2: Convert to fraction form
343,750.80/515,502.66 = 119,050.74/x - Step 3: Cross multiply
343,750.80x = 515,502.66 × 119,050.74 - Step 4: Simplify right side
343,750.80x = 61,370,973,144.97 - Step 5: Solve for x
x = 61,370,973,144.97/343,750.80 - Step 6: Final answer
x = 178,533.32
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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.