Finding the Fourth Proportional to 385,365.70, 578,048.55 and 292,053.70
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Solution
The fourth proportional to 385,365.70, 578,048.55 and 292,053.70 is: 438,080.55
Step by Step Solution
- Step 1: Write the proportion equation
385,365.70 : 578,048.55 = 292,053.70 : x - Step 2: Convert to fraction form
385,365.70/578,048.55 = 292,053.70/x - Step 3: Cross multiply
385,365.70x = 578,048.55 × 292,053.70 - Step 4: Simplify right side
385,365.70x = 168,821,217,807.14 - Step 5: Solve for x
x = 168,821,217,807.14/385,365.70 - Step 6: Final answer
x = 438,080.55
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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.