Finding the Fourth Proportional to 555,703.11, 832,668.93 and 355,859.10
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Solution
The fourth proportional to 555,703.11, 832,668.93 and 355,859.10 is: 533,221.45
Step by Step Solution
- Step 1: Write the proportion equation
555,703.11 : 832,668.93 = 355,859.10 : x - Step 2: Convert to fraction form
555,703.11/832,668.93 = 355,859.10/x - Step 3: Cross multiply
555,703.11x = 832,668.93 × 355,859.10 - Step 4: Simplify right side
555,703.11x = 296,312,816,027.76 - Step 5: Solve for x
x = 296,312,816,027.76/555,703.11 - Step 6: Final answer
x = 533,221.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.