Finding the Fourth Proportional to 553,946.74, 831,031.90 and 174,926.68
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Solution
The fourth proportional to 553,946.74, 831,031.90 and 174,926.68 is: 262,425.32
Step by Step Solution
- Step 1: Write the proportion equation
553,946.74 : 831,031.90 = 174,926.68 : x - Step 2: Convert to fraction form
553,946.74/831,031.90 = 174,926.68/x - Step 3: Cross multiply
553,946.74x = 831,031.90 × 174,926.68 - Step 4: Simplify right side
553,946.74x = 145,369,651,241.09 - Step 5: Solve for x
x = 145,369,651,241.09/553,946.74 - Step 6: Final answer
x = 262,425.32
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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.