Finding the Fourth Proportional to 291,637.20, 437,455.80 and 249,646.80
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Solution
The fourth proportional to 291,637.20, 437,455.80 and 249,646.80 is: 374,470.20
Step by Step Solution
- Step 1: Write the proportion equation
291,637.20 : 437,455.80 = 249,646.80 : x - Step 2: Convert to fraction form
291,637.20/437,455.80 = 249,646.80/x - Step 3: Cross multiply
291,637.20x = 437,455.80 × 249,646.80 - Step 4: Simplify right side
291,637.20x = 109,209,440,611.44 - Step 5: Solve for x
x = 109,209,440,611.44/291,637.20 - Step 6: Final answer
x = 374,470.20
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1.5x scale
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.