Finding the Fourth Proportional to 533,854.64, 736,719.45 and 292,137.26
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Solution
The fourth proportional to 533,854.64, 736,719.45 and 292,137.26 is: 403,149.45
Step by Step Solution
- Step 1: Write the proportion equation
533,854.64 : 736,719.45 = 292,137.26 : x - Step 2: Convert to fraction form
533,854.64/736,719.45 = 292,137.26/x - Step 3: Cross multiply
533,854.64x = 736,719.45 × 292,137.26 - Step 4: Simplify right side
533,854.64x = 215,223,201,686.32 - Step 5: Solve for x
x = 215,223,201,686.32/533,854.64 - Step 6: Final answer
x = 403,149.45
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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.