Finding the Fourth Proportional to 299,779.24, 413,696.45 and 163,813.20
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Solution
The fourth proportional to 299,779.24, 413,696.45 and 163,813.20 is: 226,062.82
Step by Step Solution
- Step 1: Write the proportion equation
299,779.24 : 413,696.45 = 163,813.20 : x - Step 2: Convert to fraction form
299,779.24/413,696.45 = 163,813.20/x - Step 3: Cross multiply
299,779.24x = 413,696.45 × 163,813.20 - Step 4: Simplify right side
299,779.24x = 67,768,939,927.85 - Step 5: Solve for x
x = 67,768,939,927.85/299,779.24 - Step 6: Final answer
x = 226,062.82
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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.