Finding the Fourth Proportional to 338,465.80, 507,698.70 and 322,913.80
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Solution
The fourth proportional to 338,465.80, 507,698.70 and 322,913.80 is: 484,370.70
Step by Step Solution
- Step 1: Write the proportion equation
338,465.80 : 507,698.70 = 322,913.80 : x - Step 2: Convert to fraction form
338,465.80/507,698.70 = 322,913.80/x - Step 3: Cross multiply
338,465.80x = 507,698.70 × 322,913.80 - Step 4: Simplify right side
338,465.80x = 163,942,916,472.06 - Step 5: Solve for x
x = 163,942,916,472.06/338,465.80 - Step 6: Final answer
x = 484,370.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.