Finding the Fourth Proportional to 464,260.80, 640,444.10 and 303,210.12
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Solution
The fourth proportional to 464,260.80, 640,444.10 and 303,210.12 is: 418,275.96
Step by Step Solution
- Step 1: Write the proportion equation
464,260.80 : 640,444.10 = 303,210.12 : x - Step 2: Convert to fraction form
464,260.80/640,444.10 = 303,210.12/x - Step 3: Cross multiply
464,260.80x = 640,444.10 × 303,210.12 - Step 4: Simplify right side
464,260.80x = 194,189,130,898.24 - Step 5: Solve for x
x = 194,189,130,898.24/464,260.80 - Step 6: Final answer
x = 418,275.96
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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.