Finding the Fourth Proportional to 102,420.24, 153,630.36 and 32,305.02
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Solution
The fourth proportional to 102,420.24, 153,630.36 and 32,305.02 is: 48,457.53
Step by Step Solution
- Step 1: Write the proportion equation
102,420.24 : 153,630.36 = 32,305.02 : x - Step 2: Convert to fraction form
102,420.24/153,630.36 = 32,305.02/x - Step 3: Cross multiply
102,420.24x = 153,630.36 × 32,305.02 - Step 4: Simplify right side
102,420.24x = 4,963,031,852.41 - Step 5: Solve for x
x = 4,963,031,852.41/102,420.24 - Step 6: Final answer
x = 48,457.53
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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.