Finding the Fourth Proportional to 302,668.95, 417,483.12 and 189,294.87
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Solution
The fourth proportional to 302,668.95, 417,483.12 and 189,294.87 is: 261,101.82
Step by Step Solution
- Step 1: Write the proportion equation
302,668.95 : 417,483.12 = 189,294.87 : x - Step 2: Convert to fraction form
302,668.95/417,483.12 = 189,294.87/x - Step 3: Cross multiply
302,668.95x = 417,483.12 × 189,294.87 - Step 4: Simplify right side
302,668.95x = 79,027,412,927.59 - Step 5: Solve for x
x = 79,027,412,927.59/302,668.95 - Step 6: Final answer
x = 261,101.82
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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.