Finding the Fourth Proportional to 541,303.80, 811,955.70 and 225,655.80
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Solution
The fourth proportional to 541,303.80, 811,955.70 and 225,655.80 is: 338,483.70
Step by Step Solution
- Step 1: Write the proportion equation
541,303.80 : 811,955.70 = 225,655.80 : x - Step 2: Convert to fraction form
541,303.80/811,955.70 = 225,655.80/x - Step 3: Cross multiply
541,303.80x = 811,955.70 × 225,655.80 - Step 4: Simplify right side
541,303.80x = 183,222,513,048.06 - Step 5: Solve for x
x = 183,222,513,048.06/541,303.80 - Step 6: Final answer
x = 338,483.70
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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.