Finding the Fourth Proportional to 313,238.84, 432,269.93 and 169,998.98
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Solution
The fourth proportional to 313,238.84, 432,269.93 and 169,998.98 is: 234,598.77
Step by Step Solution
- Step 1: Write the proportion equation
313,238.84 : 432,269.93 = 169,998.98 : x - Step 2: Convert to fraction form
313,238.84/432,269.93 = 169,998.98/x - Step 3: Cross multiply
313,238.84x = 432,269.93 × 169,998.98 - Step 4: Simplify right side
313,238.84x = 73,485,445,448.32 - Step 5: Solve for x
x = 73,485,445,448.32/313,238.84 - Step 6: Final answer
x = 234,598.77
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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.