Finding the Fourth Proportional to 426,931.99, 589,437.88 and 266,023.46
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Solution
The fourth proportional to 426,931.99, 589,437.88 and 266,023.46 is: 367,281.70
Step by Step Solution
- Step 1: Write the proportion equation
426,931.99 : 589,437.88 = 266,023.46 : x - Step 2: Convert to fraction form
426,931.99/589,437.88 = 266,023.46/x - Step 3: Cross multiply
426,931.99x = 589,437.88 × 266,023.46 - Step 4: Simplify right side
426,931.99x = 156,804,305,101.20 - Step 5: Solve for x
x = 156,804,305,101.20/426,931.99 - Step 6: Final answer
x = 367,281.70
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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.