Finding the Fourth Proportional to 368,557.07, 552,808.95 and 115,909.84
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Solution
The fourth proportional to 368,557.07, 552,808.95 and 115,909.84 is: 173,856.37
Step by Step Solution
- Step 1: Write the proportion equation
368,557.07 : 552,808.95 = 115,909.84 : x - Step 2: Convert to fraction form
368,557.07/552,808.95 = 115,909.84/x - Step 3: Cross multiply
368,557.07x = 552,808.95 × 115,909.84 - Step 4: Simplify right side
368,557.07x = 64,075,994,743.86 - Step 5: Solve for x
x = 64,075,994,743.86/368,557.07 - Step 6: Final answer
x = 173,856.37
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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.