Finding the Fourth Proportional to 338,683.14, 507,959.93 and 170,156.76
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Solution
The fourth proportional to 338,683.14, 507,959.93 and 170,156.76 is: 255,202.59
Step by Step Solution
- Step 1: Write the proportion equation
338,683.14 : 507,959.93 = 170,156.76 : x - Step 2: Convert to fraction form
338,683.14/507,959.93 = 170,156.76/x - Step 3: Cross multiply
338,683.14x = 507,959.93 × 170,156.76 - Step 4: Simplify right side
338,683.14x = 86,432,815,898.63 - Step 5: Solve for x
x = 86,432,815,898.63/338,683.14 - Step 6: Final answer
x = 255,202.59
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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.