Finding the Fourth Proportional to 102,283.04, 153,248.52 and 79,838.48
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Solution
The fourth proportional to 102,283.04, 153,248.52 and 79,838.48 is: 119,620.31
Step by Step Solution
- Step 1: Write the proportion equation
102,283.04 : 153,248.52 = 79,838.48 : x - Step 2: Convert to fraction form
102,283.04/153,248.52 = 79,838.48/x - Step 3: Cross multiply
102,283.04x = 153,248.52 × 79,838.48 - Step 4: Simplify right side
102,283.04x = 12,235,128,899.05 - Step 5: Solve for x
x = 12,235,128,899.05/102,283.04 - Step 6: Final answer
x = 119,620.31
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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.