Finding the Fourth Proportional to 150,683.84, 207,892.08 and 86,106.68
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Solution
The fourth proportional to 150,683.84, 207,892.08 and 86,106.68 is: 118,797.72
Step by Step Solution
- Step 1: Write the proportion equation
150,683.84 : 207,892.08 = 86,106.68 : x - Step 2: Convert to fraction form
150,683.84/207,892.08 = 86,106.68/x - Step 3: Cross multiply
150,683.84x = 207,892.08 × 86,106.68 - Step 4: Simplify right side
150,683.84x = 17,900,896,807.09 - Step 5: Solve for x
x = 17,900,896,807.09/150,683.84 - Step 6: Final answer
x = 118,797.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.