Finding the Fourth Proportional to 292,117.20, 438,175.80 and 249,306.68
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Solution
The fourth proportional to 292,117.20, 438,175.80 and 249,306.68 is: 373,960.01
Step by Step Solution
- Step 1: Write the proportion equation
292,117.20 : 438,175.80 = 249,306.68 : x - Step 2: Convert to fraction form
292,117.20/438,175.80 = 249,306.68/x - Step 3: Cross multiply
292,117.20x = 438,175.80 × 249,306.68 - Step 4: Simplify right side
292,117.20x = 109,240,151,763.47 - Step 5: Solve for x
x = 109,240,151,763.47/292,117.20 - Step 6: Final answer
x = 373,960.01
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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.