Finding the Fourth Proportional to 298,386.99, 411,782.54 and 162,429.71
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Solution
The fourth proportional to 298,386.99, 411,782.54 and 162,429.71 is: 224,157.61
Step by Step Solution
- Step 1: Write the proportion equation
298,386.99 : 411,782.54 = 162,429.71 : x - Step 2: Convert to fraction form
298,386.99/411,782.54 = 162,429.71/x - Step 3: Cross multiply
298,386.99x = 411,782.54 × 162,429.71 - Step 4: Simplify right side
298,386.99x = 66,885,715,684.20 - Step 5: Solve for x
x = 66,885,715,684.20/298,386.99 - Step 6: Final answer
x = 224,157.61
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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.