Finding the Fourth Proportional to 621,931.28, 932,926.08 and 201,240.08
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Solution
The fourth proportional to 621,931.28, 932,926.08 and 201,240.08 is: 301,869.56
Step by Step Solution
- Step 1: Write the proportion equation
621,931.28 : 932,926.08 = 201,240.08 : x - Step 2: Convert to fraction form
621,931.28/932,926.08 = 201,240.08/x - Step 3: Cross multiply
621,931.28x = 932,926.08 × 201,240.08 - Step 4: Simplify right side
621,931.28x = 187,742,118,973.29 - Step 5: Solve for x
x = 187,742,118,973.29/621,931.28 - Step 6: Final answer
x = 301,869.56
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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.