Finding the Fourth Proportional to 239,731.46, 359,655.74 and 79,807.08
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Solution
The fourth proportional to 239,731.46, 359,655.74 and 79,807.08 is: 119,730.12
Step by Step Solution
- Step 1: Write the proportion equation
239,731.46 : 359,655.74 = 79,807.08 : x - Step 2: Convert to fraction form
239,731.46/359,655.74 = 79,807.08/x - Step 3: Cross multiply
239,731.46x = 359,655.74 × 79,807.08 - Step 4: Simplify right side
239,731.46x = 28,703,075,663.59 - Step 5: Solve for x
x = 28,703,075,663.59/239,731.46 - Step 6: Final answer
x = 119,730.12
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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.