Finding the Fourth Proportional to 508,328.11, 762,497.63 and 153,345.21
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Solution
The fourth proportional to 508,328.11, 762,497.63 and 153,345.21 is: 230,019.46
Step by Step Solution
- Step 1: Write the proportion equation
508,328.11 : 762,497.63 = 153,345.21 : x - Step 2: Convert to fraction form
508,328.11/762,497.63 = 153,345.21/x - Step 3: Cross multiply
508,328.11x = 762,497.63 × 153,345.21 - Step 4: Simplify right side
508,328.11x = 116,925,355,384.36 - Step 5: Solve for x
x = 116,925,355,384.36/508,328.11 - Step 6: Final answer
x = 230,019.46
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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.