Finding the Fourth Proportional to 190,722.71, 286,088.93 and 57,607.31
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Solution
The fourth proportional to 190,722.71, 286,088.93 and 57,607.31 is: 86,412.43
Step by Step Solution
- Step 1: Write the proportion equation
190,722.71 : 286,088.93 = 57,607.31 : x - Step 2: Convert to fraction form
190,722.71/286,088.93 = 57,607.31/x - Step 3: Cross multiply
190,722.71x = 286,088.93 × 57,607.31 - Step 4: Simplify right side
190,722.71x = 16,480,813,678.08 - Step 5: Solve for x
x = 16,480,813,678.08/190,722.71 - Step 6: Final answer
x = 86,412.43
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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.