Finding the Fourth Proportional to 292,917.60, 439,246.80 and 135,064.80
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Solution
The fourth proportional to 292,917.60, 439,246.80 and 135,064.80 is: 202,537.44
Step by Step Solution
- Step 1: Write the proportion equation
292,917.60 : 439,246.80 = 135,064.80 : x - Step 2: Convert to fraction form
292,917.60/439,246.80 = 135,064.80/x - Step 3: Cross multiply
292,917.60x = 439,246.80 × 135,064.80 - Step 4: Simplify right side
292,917.60x = 59,326,781,192.64 - Step 5: Solve for x
x = 59,326,781,192.64/292,917.60 - Step 6: Final answer
x = 202,537.44
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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.