Finding the Fourth Proportional to 292,985.34, 439,332.57 and 93,279.75
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Solution
The fourth proportional to 292,985.34, 439,332.57 and 93,279.75 is: 139,873.32
Step by Step Solution
- Step 1: Write the proportion equation
292,985.34 : 439,332.57 = 93,279.75 : x - Step 2: Convert to fraction form
292,985.34/439,332.57 = 93,279.75/x - Step 3: Cross multiply
292,985.34x = 439,332.57 × 93,279.75 - Step 4: Simplify right side
292,985.34x = 40,980,832,296.46 - Step 5: Solve for x
x = 40,980,832,296.46/292,985.34 - Step 6: Final answer
x = 139,873.32
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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.