Finding the Fourth Proportional to 509,807.08, 764,708.06 and 130,726.12
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Solution
The fourth proportional to 509,807.08, 764,708.06 and 130,726.12 is: 196,088.52
Step by Step Solution
- Step 1: Write the proportion equation
509,807.08 : 764,708.06 = 130,726.12 : x - Step 2: Convert to fraction form
509,807.08/764,708.06 = 130,726.12/x - Step 3: Cross multiply
509,807.08x = 764,708.06 × 130,726.12 - Step 4: Simplify right side
509,807.08x = 99,967,317,616.53 - Step 5: Solve for x
x = 99,967,317,616.53/509,807.08 - Step 6: Final answer
x = 196,088.52
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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.