Finding the Fourth Proportional to 122,315.52, 183,177.72 and 69,565.08
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Solution
The fourth proportional to 122,315.52, 183,177.72 and 69,565.08 is: 104,179.52
Step by Step Solution
- Step 1: Write the proportion equation
122,315.52 : 183,177.72 = 69,565.08 : x - Step 2: Convert to fraction form
122,315.52/183,177.72 = 69,565.08/x - Step 3: Cross multiply
122,315.52x = 183,177.72 × 69,565.08 - Step 4: Simplify right side
122,315.52x = 12,742,772,746.02 - Step 5: Solve for x
x = 12,742,772,746.02/122,315.52 - Step 6: Final answer
x = 104,179.52
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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.