Finding the Fourth Proportional to 450,444.99, 621,614.16 and 246,495.96
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Solution
The fourth proportional to 450,444.99, 621,614.16 and 246,495.96 is: 340,164.46
Step by Step Solution
- Step 1: Write the proportion equation
450,444.99 : 621,614.16 = 246,495.96 : x - Step 2: Convert to fraction form
450,444.99/621,614.16 = 246,495.96/x - Step 3: Cross multiply
450,444.99x = 621,614.16 × 246,495.96 - Step 4: Simplify right side
450,444.99x = 153,225,377,886.31 - Step 5: Solve for x
x = 153,225,377,886.31/450,444.99 - Step 6: Final answer
x = 340,164.46
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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.