Finding the Fourth Proportional to 249,779.08, 374,714.84 and 79,043.79
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Solution
The fourth proportional to 249,779.08, 374,714.84 and 79,043.79 is: 118,580.31
Step by Step Solution
- Step 1: Write the proportion equation
249,779.08 : 374,714.84 = 79,043.79 : x - Step 2: Convert to fraction form
249,779.08/374,714.84 = 79,043.79/x - Step 3: Cross multiply
249,779.08x = 374,714.84 × 79,043.79 - Step 4: Simplify right side
249,779.08x = 29,618,881,122.84 - Step 5: Solve for x
x = 29,618,881,122.84/249,779.08 - Step 6: Final answer
x = 118,580.31
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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.