Finding the Fourth Proportional to 79,258.79, 118,903.71 and 29,339.31
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Solution
The fourth proportional to 79,258.79, 118,903.71 and 29,339.31 is: 44,014.71
Step by Step Solution
- Step 1: Write the proportion equation
79,258.79 : 118,903.71 = 29,339.31 : x - Step 2: Convert to fraction form
79,258.79/118,903.71 = 29,339.31/x - Step 3: Cross multiply
79,258.79x = 118,903.71 × 29,339.31 - Step 4: Simplify right side
79,258.79x = 3,488,552,807.84 - Step 5: Solve for x
x = 3,488,552,807.84/79,258.79 - Step 6: Final answer
x = 44,014.71
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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.