Finding the Fourth Proportional to 376,773.60, 520,084.26 and 249,490.20
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Solution
The fourth proportional to 376,773.60, 520,084.26 and 249,490.20 is: 344,386.99
Step by Step Solution
- Step 1: Write the proportion equation
376,773.60 : 520,084.26 = 249,490.20 : x - Step 2: Convert to fraction form
376,773.60/520,084.26 = 249,490.20/x - Step 3: Cross multiply
376,773.60x = 520,084.26 × 249,490.20 - Step 4: Simplify right side
376,773.60x = 129,755,926,044.25 - Step 5: Solve for x
x = 129,755,926,044.25/376,773.60 - Step 6: Final answer
x = 344,386.99
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1.5x scale
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.