Finding the Fourth Proportional to 507,903.99, 700,903.64 and 278,458.53
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Solution
The fourth proportional to 507,903.99, 700,903.64 and 278,458.53 is: 384,270.65
Step by Step Solution
- Step 1: Write the proportion equation
507,903.99 : 700,903.64 = 278,458.53 : x - Step 2: Convert to fraction form
507,903.99/700,903.64 = 278,458.53/x - Step 3: Cross multiply
507,903.99x = 700,903.64 × 278,458.53 - Step 4: Simplify right side
507,903.99x = 195,172,595,873.76 - Step 5: Solve for x
x = 195,172,595,873.76/507,903.99 - Step 6: Final answer
x = 384,270.65
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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.