Finding the Fourth Proportional to 509,534.36, 764,303.36 and 154,551.44
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Solution
The fourth proportional to 509,534.36, 764,303.36 and 154,551.44 is: 231,827.71
Step by Step Solution
- Step 1: Write the proportion equation
509,534.36 : 764,303.36 = 154,551.44 : x - Step 2: Convert to fraction form
509,534.36/764,303.36 = 154,551.44/x - Step 3: Cross multiply
509,534.36x = 764,303.36 × 154,551.44 - Step 4: Simplify right side
509,534.36x = 118,124,184,884.84 - Step 5: Solve for x
x = 118,124,184,884.84/509,534.36 - Step 6: Final answer
x = 231,827.71
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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.