Finding the Fourth Proportional to 163,006.13, 224,688.64 and 128,494.62
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Solution
The fourth proportional to 163,006.13, 224,688.64 and 128,494.62 is: 177,117.77
Step by Step Solution
- Step 1: Write the proportion equation
163,006.13 : 224,688.64 = 128,494.62 : x - Step 2: Convert to fraction form
163,006.13/224,688.64 = 128,494.62/x - Step 3: Cross multiply
163,006.13x = 224,688.64 × 128,494.62 - Step 4: Simplify right side
163,006.13x = 28,871,281,492.54 - Step 5: Solve for x
x = 28,871,281,492.54/163,006.13 - Step 6: Final answer
x = 177,117.77
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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.