Finding the Fourth Proportional to 399,666.96, 551,784.75 and 260,098.53
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Solution
The fourth proportional to 399,666.96, 551,784.75 and 260,098.53 is: 359,094.99
Step by Step Solution
- Step 1: Write the proportion equation
399,666.96 : 551,784.75 = 260,098.53 : x - Step 2: Convert to fraction form
399,666.96/551,784.75 = 260,098.53/x - Step 3: Cross multiply
399,666.96x = 551,784.75 × 260,098.53 - Step 4: Simplify right side
399,666.96x = 143,518,402,351.42 - Step 5: Solve for x
x = 143,518,402,351.42/399,666.96 - Step 6: Final answer
x = 359,094.99
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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.