Finding the Fourth Proportional to 178,021.04, 245,652.36 and 106,386.80
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Solution
The fourth proportional to 178,021.04, 245,652.36 and 106,386.80 is: 146,803.82
Step by Step Solution
- Step 1: Write the proportion equation
178,021.04 : 245,652.36 = 106,386.80 : x - Step 2: Convert to fraction form
178,021.04/245,652.36 = 106,386.80/x - Step 3: Cross multiply
178,021.04x = 245,652.36 × 106,386.80 - Step 4: Simplify right side
178,021.04x = 26,134,168,492.85 - Step 5: Solve for x
x = 26,134,168,492.85/178,021.04 - Step 6: Final answer
x = 146,803.82
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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.