Finding the Fourth Proportional to 450,440.58, 621,598.40 and 246,490.68
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Solution
The fourth proportional to 450,440.58, 621,598.40 and 246,490.68 is: 340,151.88
Step by Step Solution
- Step 1: Write the proportion equation
450,440.58 : 621,598.40 = 246,490.68 : x - Step 2: Convert to fraction form
450,440.58/621,598.40 = 246,490.68/x - Step 3: Cross multiply
450,440.58x = 621,598.40 × 246,490.68 - Step 4: Simplify right side
450,440.58x = 153,218,211,070.46 - Step 5: Solve for x
x = 153,218,211,070.46/450,440.58 - Step 6: Final answer
x = 340,151.88
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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.