Finding the Fourth Proportional to 449,528.40, 673,417.80 and 249,490.80
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Solution
The fourth proportional to 449,528.40, 673,417.80 and 249,490.80 is: 373,750.68
Step by Step Solution
- Step 1: Write the proportion equation
449,528.40 : 673,417.80 = 249,490.80 : x - Step 2: Convert to fraction form
449,528.40/673,417.80 = 249,490.80/x - Step 3: Cross multiply
449,528.40x = 673,417.80 × 249,490.80 - Step 4: Simplify right side
449,528.40x = 168,011,545,656.24 - Step 5: Solve for x
x = 168,011,545,656.24/449,528.40 - Step 6: Final answer
x = 373,750.68
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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.