Finding the Fourth Proportional to 450,433.08, 621,588.06 and 246,483.18
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Solution
The fourth proportional to 450,433.08, 621,588.06 and 246,483.18 is: 340,141.54
Step by Step Solution
- Step 1: Write the proportion equation
450,433.08 : 621,588.06 = 246,483.18 : x - Step 2: Convert to fraction form
450,433.08/621,588.06 = 246,483.18/x - Step 3: Cross multiply
450,433.08x = 621,588.06 × 246,483.18 - Step 4: Simplify right side
450,433.08x = 153,211,001,678.83 - Step 5: Solve for x
x = 153,211,001,678.83/450,433.08 - Step 6: Final answer
x = 340,141.54
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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.