Finding the Fourth Proportional to 354,235.84, 530,763.12 and 254,246.20
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Solution
The fourth proportional to 354,235.84, 530,763.12 and 254,246.20 is: 380,945.38
Step by Step Solution
- Step 1: Write the proportion equation
354,235.84 : 530,763.12 = 254,246.20 : x - Step 2: Convert to fraction form
354,235.84/530,763.12 = 254,246.20/x - Step 3: Cross multiply
354,235.84x = 530,763.12 × 254,246.20 - Step 4: Simplify right side
354,235.84x = 134,944,506,360.14 - Step 5: Solve for x
x = 134,944,506,360.14/354,235.84 - Step 6: Final answer
x = 380,945.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.