Finding the Fourth Proportional to 421,530.48, 581,733.36 and 249,547.14
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Solution
The fourth proportional to 421,530.48, 581,733.36 and 249,547.14 is: 344,387.66
Step by Step Solution
- Step 1: Write the proportion equation
421,530.48 : 581,733.36 = 249,547.14 : x - Step 2: Convert to fraction form
421,530.48/581,733.36 = 249,547.14/x - Step 3: Cross multiply
421,530.48x = 581,733.36 × 249,547.14 - Step 4: Simplify right side
421,530.48x = 145,169,896,230.59 - Step 5: Solve for x
x = 145,169,896,230.59/421,530.48 - Step 6: Final answer
x = 344,387.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.