Finding the Fourth Proportional to 313,237.84, 432,268.56 and 169,997.98
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Solution
The fourth proportional to 313,237.84, 432,268.56 and 169,997.98 is: 234,597.39
Step by Step Solution
- Step 1: Write the proportion equation
313,237.84 : 432,268.56 = 169,997.98 : x - Step 2: Convert to fraction form
313,237.84/432,268.56 = 169,997.98/x - Step 3: Cross multiply
313,237.84x = 432,268.56 × 169,997.98 - Step 4: Simplify right side
313,237.84x = 73,484,779,006.18 - Step 5: Solve for x
x = 73,484,779,006.18/313,237.84 - Step 6: Final answer
x = 234,597.39
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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.