Finding the Fourth Proportional to 657,655.20, 986,482.80 and 184,420.80
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Solution
The fourth proportional to 657,655.20, 986,482.80 and 184,420.80 is: 276,631.20
Step by Step Solution
- Step 1: Write the proportion equation
657,655.20 : 986,482.80 = 184,420.80 : x - Step 2: Convert to fraction form
657,655.20/986,482.80 = 184,420.80/x - Step 3: Cross multiply
657,655.20x = 986,482.80 × 184,420.80 - Step 4: Simplify right side
657,655.20x = 181,927,947,162.24 - Step 5: Solve for x
x = 181,927,947,162.24/657,655.20 - Step 6: Final answer
x = 276,631.20
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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.