Finding the Fourth Proportional to 450,389.08, 621,527.34 and 246,439.18
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Solution
The fourth proportional to 450,389.08, 621,527.34 and 246,439.18 is: 340,080.82
Step by Step Solution
- Step 1: Write the proportion equation
450,389.08 : 621,527.34 = 246,439.18 : x - Step 2: Convert to fraction form
450,389.08/621,527.34 = 246,439.18/x - Step 3: Cross multiply
450,389.08x = 621,527.34 × 246,439.18 - Step 4: Simplify right side
450,389.08x = 153,168,688,017.18 - Step 5: Solve for x
x = 153,168,688,017.18/450,389.08 - Step 6: Final answer
x = 340,080.82
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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.