Finding the Fourth Proportional to 438,031.69, 604,484.64 and 236,827.69
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Solution
The fourth proportional to 438,031.69, 604,484.64 and 236,827.69 is: 326,822.70
Step by Step Solution
- Step 1: Write the proportion equation
438,031.69 : 604,484.64 = 236,827.69 : x - Step 2: Convert to fraction form
438,031.69/604,484.64 = 236,827.69/x - Step 3: Cross multiply
438,031.69x = 604,484.64 × 236,827.69 - Step 4: Simplify right side
438,031.69x = 143,158,699,420.47 - Step 5: Solve for x
x = 143,158,699,420.47/438,031.69 - Step 6: Final answer
x = 326,822.70
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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.