Finding the Fourth Proportional to 293,569.49, 405,118.99 and 172,718.55
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Solution
The fourth proportional to 293,569.49, 405,118.99 and 172,718.55 is: 238,347.53
Step by Step Solution
- Step 1: Write the proportion equation
293,569.49 : 405,118.99 = 172,718.55 : x - Step 2: Convert to fraction form
293,569.49/405,118.99 = 172,718.55/x - Step 3: Cross multiply
293,569.49x = 405,118.99 × 172,718.55 - Step 4: Simplify right side
293,569.49x = 69,971,564,098.47 - Step 5: Solve for x
x = 69,971,564,098.47/293,569.49 - Step 6: Final answer
x = 238,347.53
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1.5x scale
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.