Finding the Fourth Proportional to 355,497.60, 533,246.40 and 326,467.20
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Solution
The fourth proportional to 355,497.60, 533,246.40 and 326,467.20 is: 489,700.80
Step by Step Solution
- Step 1: Write the proportion equation
355,497.60 : 533,246.40 = 326,467.20 : x - Step 2: Convert to fraction form
355,497.60/533,246.40 = 326,467.20/x - Step 3: Cross multiply
355,497.60x = 533,246.40 × 326,467.20 - Step 4: Simplify right side
355,497.60x = 174,087,459,118.08 - Step 5: Solve for x
x = 174,087,459,118.08/355,497.60 - Step 6: Final answer
x = 489,700.80
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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.