Finding the Fourth Proportional to 156,746.44, 216,303.94 and 85,124.84
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Solution
The fourth proportional to 156,746.44, 216,303.94 and 85,124.84 is: 117,468.94
Step by Step Solution
- Step 1: Write the proportion equation
156,746.44 : 216,303.94 = 85,124.84 : x - Step 2: Convert to fraction form
156,746.44/216,303.94 = 85,124.84/x - Step 3: Cross multiply
156,746.44x = 216,303.94 × 85,124.84 - Step 4: Simplify right side
156,746.44x = 18,412,838,283.87 - Step 5: Solve for x
x = 18,412,838,283.87/156,746.44 - Step 6: Final answer
x = 117,468.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.