Finding the Fourth Proportional to 473,178.78, 652,986.09 and 303,412.50
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Solution
The fourth proportional to 473,178.78, 652,986.09 and 303,412.50 is: 418,708.85
Step by Step Solution
- Step 1: Write the proportion equation
473,178.78 : 652,986.09 = 303,412.50 : x - Step 2: Convert to fraction form
473,178.78/652,986.09 = 303,412.50/x - Step 3: Cross multiply
473,178.78x = 652,986.09 × 303,412.50 - Step 4: Simplify right side
473,178.78x = 198,124,142,032.13 - Step 5: Solve for x
x = 198,124,142,032.13/473,178.78 - Step 6: Final answer
x = 418,708.85
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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.