Finding the Fourth Proportional to 405,730.19, 608,199.79 and 169,140.53
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Solution
The fourth proportional to 405,730.19, 608,199.79 and 169,140.53 is: 253,545.92
Step by Step Solution
- Step 1: Write the proportion equation
405,730.19 : 608,199.79 = 169,140.53 : x - Step 2: Convert to fraction form
405,730.19/608,199.79 = 169,140.53/x - Step 3: Cross multiply
405,730.19x = 608,199.79 × 169,140.53 - Step 4: Simplify right side
405,730.19x = 102,871,232,208.34 - Step 5: Solve for x
x = 102,871,232,208.34/405,730.19 - Step 6: Final answer
x = 253,545.92
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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.