Finding the Fourth Proportional to 309,607.81, 464,543.21 and 169,202.41
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Solution
The fourth proportional to 309,607.81, 464,543.21 and 169,202.41 is: 253,875.48
Step by Step Solution
- Step 1: Write the proportion equation
309,607.81 : 464,543.21 = 169,202.41 : x - Step 2: Convert to fraction form
309,607.81/464,543.21 = 169,202.41/x - Step 3: Cross multiply
309,607.81x = 464,543.21 × 169,202.41 - Step 4: Simplify right side
309,607.81x = 78,601,830,681.14 - Step 5: Solve for x
x = 78,601,830,681.14/309,607.81 - Step 6: Final answer
x = 253,875.48
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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.