Finding the Fourth Proportional to 507,031.98, 699,713.55 and 292,135.74
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Solution
The fourth proportional to 507,031.98, 699,713.55 and 292,135.74 is: 403,152.75
Step by Step Solution
- Step 1: Write the proportion equation
507,031.98 : 699,713.55 = 292,135.74 : x - Step 2: Convert to fraction form
507,031.98/699,713.55 = 292,135.74/x - Step 3: Cross multiply
507,031.98x = 699,713.55 × 292,135.74 - Step 4: Simplify right side
507,031.98x = 204,411,335,717.28 - Step 5: Solve for x
x = 204,411,335,717.28/507,031.98 - Step 6: Final answer
x = 403,152.75
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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.