Finding the Fourth Proportional to 249,644.10, 374,466.15 and 155,165.70
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Solution
The fourth proportional to 249,644.10, 374,466.15 and 155,165.70 is: 232,748.55
Step by Step Solution
- Step 1: Write the proportion equation
249,644.10 : 374,466.15 = 155,165.70 : x - Step 2: Convert to fraction form
249,644.10/374,466.15 = 155,165.70/x - Step 3: Cross multiply
249,644.10x = 374,466.15 × 155,165.70 - Step 4: Simplify right side
249,644.10x = 58,104,302,291.06 - Step 5: Solve for x
x = 58,104,302,291.06/249,644.10 - Step 6: Final answer
x = 232,748.55
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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.