Finding the Fourth Proportional to 292,727.64, 403,972.14 and 165,400.68
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Solution
The fourth proportional to 292,727.64, 403,972.14 and 165,400.68 is: 228,257.46
Step by Step Solution
- Step 1: Write the proportion equation
292,727.64 : 403,972.14 = 165,400.68 : x - Step 2: Convert to fraction form
292,727.64/403,972.14 = 165,400.68/x - Step 3: Cross multiply
292,727.64x = 403,972.14 × 165,400.68 - Step 4: Simplify right side
292,727.64x = 66,817,266,657.06 - Step 5: Solve for x
x = 66,817,266,657.06/292,727.64 - Step 6: Final answer
x = 228,257.46
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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.