Finding the Fourth Proportional to 450,263.18, 621,358.34 and 246,318.14
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Solution
The fourth proportional to 450,263.18, 621,358.34 and 246,318.14 is: 339,916.38
Step by Step Solution
- Step 1: Write the proportion equation
450,263.18 : 621,358.34 = 246,318.14 : x - Step 2: Convert to fraction form
450,263.18/621,358.34 = 246,318.14/x - Step 3: Cross multiply
450,263.18x = 621,358.34 × 246,318.14 - Step 4: Simplify right side
450,263.18x = 153,051,830,582.29 - Step 5: Solve for x
x = 153,051,830,582.29/450,263.18 - Step 6: Final answer
x = 339,916.38
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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.