Finding the Fourth Proportional to 429,573.69, 592,415.55 and 291,958.74
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Solution
The fourth proportional to 429,573.69, 592,415.55 and 291,958.74 is: 402,633.82
Step by Step Solution
- Step 1: Write the proportion equation
429,573.69 : 592,415.55 = 291,958.74 : x - Step 2: Convert to fraction form
429,573.69/592,415.55 = 291,958.74/x - Step 3: Cross multiply
429,573.69x = 592,415.55 × 291,958.74 - Step 4: Simplify right side
429,573.69x = 172,960,897,534.41 - Step 5: Solve for x
x = 172,960,897,534.41/429,573.69 - Step 6: Final answer
x = 402,633.82
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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.