Finding the Fourth Proportional to 418,976.02, 578,086.09 and 246,901.02
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Solution
The fourth proportional to 418,976.02, 578,086.09 and 246,901.02 is: 340,664.00
Step by Step Solution
- Step 1: Write the proportion equation
418,976.02 : 578,086.09 = 246,901.02 : x - Step 2: Convert to fraction form
418,976.02/578,086.09 = 246,901.02/x - Step 3: Cross multiply
418,976.02x = 578,086.09 × 246,901.02 - Step 4: Simplify right side
418,976.02x = 142,730,045,268.81 - Step 5: Solve for x
x = 142,730,045,268.81/418,976.02 - Step 6: Final answer
x = 340,664.00
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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.