Finding the Fourth Proportional to 302,407.80, 453,611.70 and 246,420.60
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Solution
The fourth proportional to 302,407.80, 453,611.70 and 246,420.60 is: 369,630.90
Step by Step Solution
- Step 1: Write the proportion equation
302,407.80 : 453,611.70 = 246,420.60 : x - Step 2: Convert to fraction form
302,407.80/453,611.70 = 246,420.60/x - Step 3: Cross multiply
302,407.80x = 453,611.70 × 246,420.60 - Step 4: Simplify right side
302,407.80x = 111,779,267,281.02 - Step 5: Solve for x
x = 111,779,267,281.02/302,407.80 - Step 6: Final answer
x = 369,630.90
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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.